CN109123977B - Multifunctional telescopic pull rod - Google Patents
Multifunctional telescopic pull rod Download PDFInfo
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- CN109123977B CN109123977B CN201811231222.9A CN201811231222A CN109123977B CN 109123977 B CN109123977 B CN 109123977B CN 201811231222 A CN201811231222 A CN 201811231222A CN 109123977 B CN109123977 B CN 109123977B
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- pull rod
- main body
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- rod main
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- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 230000003993 interaction Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 241000190070 Sarracenia purpurea Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/262—Special adaptations of handles for wheeled luggage
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/28—Combinations of handles with other devices
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Abstract
The invention discloses a multifunctional telescopic pull rod which comprises a pull rod main body, a telescopic assembly, a connecting and unlocking mechanism and an acting force retaining mechanism. The telescopic component is connected with or separated from the pull rod main body through the connecting unlocking mechanism, and when the telescopic component is separated from the pull rod main body, the telescopic component and the pull rod main body keep the interaction force through the acting force retaining mechanism. The multifunctional telescopic pull rod comprises a pull rod main body, a telescopic assembly, a connecting unlocking mechanism and an acting force retaining mechanism. The telescopic component is connected with or separated from the pull rod main body through the connecting unlocking mechanism, and when the telescopic component is separated from the pull rod main body, the telescopic component and the pull rod main body keep the interaction force through the acting force retaining mechanism.
Description
Technical Field
The invention relates to the technical field of draw-bar boxes, in particular to a multifunctional telescopic draw bar capable of being used as a bracket.
Background
In the prior art, articles such as draw-bar boxes, luggage cases and the like with pull rods are usually only used as lifting articles. Under the circumstances of long-time waiting and the like, people often spend time on recreation through mobile equipment, the invention provides a multifunctional telescopic pull rod which can take the pull rod as a support of a mobile product, namely, the mobile equipment is erected or clamped in the pull rod.
Disclosure of Invention
In order to solve the problems, the technical scheme of the invention is as follows:
the multifunctional telescopic pull rod comprises a pull rod main body and is characterized by further comprising a telescopic assembly, a connecting unlocking mechanism and an acting force retaining mechanism;
the telescopic component is connected with or separated from the pull rod main body through the connection unlocking mechanism, and when the telescopic component is separated from the pull rod main body, the telescopic component and the pull rod main body keep interaction force through the acting force retaining mechanism.
Preferably, the telescopic assembly comprises a hand control part, the hand control part is connected with or separated from the pull rod main body through a connecting unlocking mechanism, and when the hand control part is separated from the pull rod main body, the hand control part and the pull rod main body keep interaction force through an acting force retaining mechanism.
Preferably, the telescopic assembly further comprises a rod piece, the rod piece is inserted into the pull rod main body, and the top end of the rod piece is connected with the hand control.
Preferably, the telescopic assembly further comprises a guide tube arranged on the pull rod main body, and the rod piece is inserted into the guide tube and is movably arranged with the guide tube.
Preferably, the telescopic assembly further comprises a fifth elastic member; the fifth elastic piece is arranged between the hand control and the pull rod main body, and is in a compressed state when the telescopic assembly is connected with the pull rod main body through the connecting unlocking assembly.
Preferably, the connection unlocking mechanism comprises a first clamping piece, a second clamping piece and a first elastic piece;
The first clamping piece is restrained by the pull rod main body, and the displacement freedom degree in the Z direction is released; the second clamping piece is arranged on the telescopic component and is clamped with the first clamping piece; when the first clamping piece is pressed, the first elastic piece is stressed to be compressed, and the first clamping piece and the second clamping piece are separated.
Preferably, the second clamping piece comprises a clamping groove, the first clamping piece comprises a wedge-shaped clamping portion, and the wedge-shaped clamping portion is clamped with the clamping groove.
Preferably, the connection unlocking mechanism further comprises a button, and the button is arranged on the first clamping piece and extends out of the pull rod main body.
Preferably, the acting force retaining mechanism comprises a second elastic piece, the second elastic piece is sleeved on the telescopic assembly, and the upper end and the lower end of the second elastic piece are limited through the telescopic assembly and the pull rod main body respectively.
Preferably, the acting force retaining mechanism further comprises a limiting piece fixedly connected to the pull rod main body, and the limiting piece limits the upper end of the second elastic piece.
Preferably, the acting force retaining mechanism comprises a third elastic piece, wherein the upper end of the third elastic piece is connected with the lower end of the rod piece, and the lower end of the third elastic piece is limited through the pull rod main body.
Preferably, the first tooth, the second tooth, the sliding block and the fourth elastic piece of the acting force retaining mechanism;
The first teeth are arranged on the telescopic component, the second teeth are arranged on the sliding block and are clamped between the adjacent first teeth, and the sliding block is connected with the pull rod main body through the fourth elastic piece; the fourth elastic piece is propped against the sliding block to keep interaction force between the first tooth and the second tooth.
Preferably, the pull rod main body is a double-rod type, the telescopic component is inserted into the double rods of the pull rod main body, the acting force retaining mechanism is arranged in the double rods, and the connecting unlocking mechanism is arranged on the handle of the pull rod main body.
Preferably, the pull rod main body is a single rod, the telescopic component is inserted into the single rod, the acting force retaining mechanism is arranged in the single rod, and the connecting unlocking mechanism is arranged on a handle of the pull rod main body.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the telescopic component is arranged on the pull rod main body, so that the function of using the pull rod as a bracket for accommodating mobile equipment is realized, and the added value of the pull rod is improved.
2. When people waiting for a bus clamp mobile equipment such as a mobile phone and a flat plate on the multifunctional telescopic pull rod, the burden of two hands is relieved, and the two hands can conveniently take articles such as a water cup; meanwhile, the problem that the luggage (the article with the multifunctional telescopic pull rod) is lost due to the fact that the user is too much concentrated on the mobile equipment is solved.
3. The telescopic component comprises a fifth elastic piece, and the fifth elastic piece provides unlocking assistance for the telescopic component, so that the hand control can be unlocked more quickly and conveniently by connecting the unlocking component.
Drawings
FIG. 1 is a schematic view of a multi-functional telescopic drawbar of the present invention;
FIG. 2 is a schematic view of a multi-functional telescopic drawbar of the present invention;
FIG. 3 is a schematic view of a telescoping assembly of the present invention;
FIG. 4 is a schematic view of one embodiment of a connection unlocking mechanism of the present invention;
FIG. 5 is a schematic view of one embodiment of a connection unlocking mechanism of the present invention;
FIG. 6 is a schematic view of one embodiment of a connection unlocking mechanism of the present invention;
FIG. 7 is a schematic view of one embodiment of a force retention mechanism of the present invention;
Fig. 8 is a schematic view of one embodiment of the force retention mechanism of the present invention.
The device comprises a pull rod main body, 101, a handle, 2, a telescopic component, 201, a manual control piece, 202, a rod piece, 203, a fifth elastic piece, 204, a guide tube, 3, a connection unlocking mechanism, 301, a first clamping piece, 301-1, a wedge-shaped clamping part, 302, a second clamping piece, 302-1, a clamping groove, 303, a first elastic piece, 304, a button, 305, a guide post, 4, an acting force retaining mechanism, 401, a second elastic piece, 402, a third elastic piece, 403, a limiting part, 404, a limiting piece, 405, a first tooth, 406, a second tooth, 407, a sliding block, 408 and a fourth elastic piece.
Detailed Description
The following detailed description refers to the accompanying drawings and specific embodiments.
Referring to fig. 1-8, a multifunctional telescopic pull rod includes a pull rod body 1, a telescopic assembly 2, a connection unlocking mechanism 3, and a force holding mechanism 4. The telescopic assembly 2 is connected with or separated from the pull rod main body 1 through the connecting and unlocking mechanism 3, and when the telescopic assembly 2 is separated from the pull rod main body 1, the telescopic assembly and the pull rod main body keep the interaction force through the acting force retaining mechanism 4.
In detail: the tie rod body 1 has a conventional function of pulling up an article, and serves as a force receiving member. The connection unlocking mechanism 3 is used for unlocking and connecting the telescopic assembly 2 from the pull rod main body 1 so as to realize the extension and retraction of the telescopic assembly 2, in other words, the extension and retraction of the telescopic assembly 2 respectively mean that the telescopic assembly is pulled away from the pull rod main body 1 and is retracted into the pull rod main body. The acting force retaining mechanism 4 is respectively connected with the telescopic assembly 2 and the pull rod main body 1, and when the telescopic assembly 2 is unfolded, the acting force retaining mechanism 4 enables the telescopic assembly 2 to have a movement trend towards the pull rod main body 1, so that an article can be clamped between the telescopic assembly 2 and the pull rod main body 1.
The telescopic assembly 2 has a coupled state and a decoupled state with the drawbar body 1. When the multifunctional telescopic pull rod is used as a conventional pull rod, the telescopic assembly 2 is connected together through the connecting and unlocking structure, and the multifunctional telescopic pull rod and the telescopic assembly are in a connecting state. When the telescopic assembly 2 is in a connection state, the multifunctional telescopic pull rod is more compact in overall structure in space and attractive in visual sense. Under special environment, the telescopic assembly 2 and the pull rod main body 1 are separated, the telescopic assembly 2 and the pull rod main body 1 keep the movement trend of approaching each other through the acting force retaining mechanism 4, mobile equipment such as a mobile phone, a flat plate and the like is clamped between the telescopic assembly 2 and the pull rod main body 1, and the multifunctional telescopic pull rod realizes the function of a bracket. The special environment of the position is such as a scene that the vehicle is waiting for a long time, the multifunctional telescopic pull rod is used as a bracket of the mobile equipment in home, and the like. A point is described herein: the separated state of the telescopic assembly 2 and the pull rod body 1 is not completely separated, but is understood that the two are no longer connected by the connection unlocking mechanism 3.
According to the invention, the telescopic component 2 is arranged on the pull rod main body 1, so that the function of using the pull rod as a bracket for accommodating mobile equipment is realized, and the added value of the pull rod is improved. When people waiting for a bus clamp mobile equipment such as a mobile phone and a flat plate on the multifunctional telescopic pull rod, the burden of two hands is relieved, and the two hands can conveniently take articles such as a water cup; meanwhile, the problem that the luggage (the article with the multifunctional telescopic pull rod) is lost due to the fact that the user is too much concentrated on the mobile equipment is solved.
With continued reference to fig. 1-3, the specific form of the telescopic assembly 2 can be flexibly set, and the telescopic assembly can be in a compact form, is centrally arranged in the middle of the pull rod main body 1, and visually, the telescopic assembly 2 partially extends out of the pull rod main body 1; it is also possible to employ a structure adapted to the shape of the tie rod body 1, and the shrinkage thereof is visually as if it were covered on the tie rod body 1. The telescopic assembly 2 is described in detail below with reference to the drawings, which are not intended to limit the invention.
In one embodiment, the telescopic assembly 2 comprises a hand piece 201, the hand piece 201 being connected to or disconnected from the pull rod body 1 by a connection unlocking mechanism 3, when the hand piece 201 is disconnected from the pull rod body 1, the two maintain an interaction force by a force maintaining mechanism 4. In other words, the hand control 201 is used as a spare part for holding the mobile device, and in the connected state, the hand control 201 is fastened to the pull rod body 1 by the connection unlocking mechanism 3; in the separated state, the hand control 201 is kept in a moving trend of approaching each other with the pull rod body 1 by the force keeping mechanism 4.
The shape of the hand piece 201 is, for example, as shown in fig. 3, that is, the hand piece 201 has a case shape with one surface opened, and the center thereof forms a space for mounting other parts. Correspondingly, the handle 101 of the pull rod body 1 also has the same feature, and the connecting and unlocking component is used for connecting the hand control 201 and the handle 101. When the hand control piece 201 is connected with the handle 101, the openings of the hand control piece 201 and the handle are arranged oppositely, and of course, the shapes of the openings of the hand control piece and the handle are consistent, and the surfaces of the two openings are closely attached after the closing.
In one embodiment, the telescopic assembly 2 further comprises a rod 202, wherein the rod 202 is inserted into the pull rod body 1, and the top end of the rod 202 is connected with the hand control 201. In this embodiment, the acting force retaining mechanism 4 is disposed between the rod 202 and the pull rod body 1, so that the situation that the telescopic assembly 2, the connection unlocking mechanism 3 and the acting force retaining mechanism 4 are simultaneously disposed at the upper position of the pull rod body 1 is avoided, and then all the components of the multifunctional telescopic pull rod are dispersed, so that the overall structure is uniform and compact.
Further, the telescopic assembly 2 further comprises a guide tube 204 disposed on the pull rod body 1, and the rod member 202 is inserted into the guide tube 204 and is movably disposed with the guide tube 204. In other words, the rod 202 has a linear reciprocating motion when the telescopic assembly 2 is extended and retracted, and the guide tube 204 is used for guiding the rod 202, so as to improve the running stability of the rod 202. The length of the guide tube 204 can be flexibly set as long as the rod 202 is ensured not to be separated from the guide tube when the rod is extended. Preferably, the upper end of the guide tube 204 extends out of the pull rod body 1 for a small length.
In one embodiment, the telescopic assembly 2 further comprises a fifth elastic member 203, the fifth elastic member 203 being arranged between the hand control 201 and the pull rod body 1, the fifth elastic member 203 being in a compressed state when the telescopic assembly 2 is connected to the pull rod body 1 by the connection unlocking assembly.
In detail: the fifth elastic member 203 is sleeved on a portion of the guide tube 204 extending out of the pull rod body 1 so as to be guided by the guide tube 204. When the telescopic component 2 (specific parts such as the hand control 201) is connected with the pull rod main body 1, the fifth elastic piece 203 enables the hand control 201 to move in opposite directions, and when the hand control 201 is to be pulled apart, the fifth elastic piece 203 provides unlocking assistance for the hand control 201, so that the hand control 201 can be unlocked more quickly and conveniently by connecting the unlocking component.
With continued reference to fig. 4-6, the connection unlocking mechanism 3 may take various forms such as fastening, clamping, etc., and the following description will refer to the clamping as an exemplary embodiment with reference to the accompanying drawings.
In one embodiment, as shown in fig. 4 and 5, the connection unlocking mechanism 3 includes a first clamping member 301, a second clamping member 302, and a first elastic member 303. The first clamping piece 301 is restrained by the pull rod main body 1 and releases the displacement freedom degree in the Z direction; the second clamping piece 302 is arranged on the telescopic component 2 and is clamped with the first clamping piece 301; both ends of the first elastic member 303 respectively support the pull rod body 1 and the first clamping member 301 along the Z direction.
Namely: the first engagement member 301 is provided on the tie rod body 1, and has a degree of freedom of displacement in a certain direction (i.e., the Z direction described above) and can move forward and backward in the direction. The Z direction may be any direction such as a front-back direction or an up-down direction in the use state of the multifunctional telescopic rod, in other words, the Z direction refers to only a certain direction, and is not limited to a certain direction.
The direction of the elastic force of the first elastic piece 303 is the same as the Z direction, and the first elastic piece 303 simultaneously props against the pull rod main body 1 and the first clamping piece 301 in the direction, when the first clamping piece 301 and the second clamping piece 302 are clamped, the first clamping piece 301 is pressed down, the first elastic piece 303 is stressed and compressed, so that the first clamping piece 301 and the second clamping piece 302 are not clamped any more, and the telescopic assembly 2 (the manual control piece 201) is pulled outwards at the moment, so that the separation of the hand control piece 201 and the pull rod main body 1 is realized. Conversely, under the separation state of the telescopic component 2 and the pull rod main body 1, the telescopic component 2 is pressed down, the second clamping piece 302 is driven to move downwards, the first clamping piece 301 is pressed at a proper position, the second clamping piece 302 is moved downwards to the bottom, then the pressing force on the first clamping piece 301 is released, and the first clamping piece 301 automatically resets under the action of the first elastic piece 303, so that the telescopic component 2 is locked.
Further, the second clamping piece 302 includes a clamping groove 302-1, the first clamping piece 301 includes a wedge-shaped clamping portion 301-1, and the wedge-shaped clamping portion 301-1 is clamped into the clamping groove 302-1 to achieve connection of the two clamping pieces. The engaging groove 302-1 may be a through groove or a groove having four side walls and a bottom surface. The lower surface of the wedge-shaped clamping portion 301-1 is a wedge-shaped surface, and the wedge-shaped surface is inclined upwards from one end close to the first elastic member 303 to the other end, so that when the telescopic assembly 2 is unlocked, the hand control 201 is pulled upwards, the second connecting member and the first connecting member generate interaction force at the wedge-shaped surface, and the pressing force of the outside on the first connecting member can be reduced.
Further, the connection unlocking mechanism 3 further includes a button 304, one end of the button 304 is disposed on the first clamping member 301, and the other end extends out of the pull rod body 1. When the hand control 201 is unlocked, a pressing force to the first link is applied to the button 304. In addition, the button 304 and the first clamping member 301 may be integrally formed, or may be two separate parts connected together by a certain process.
Further, the connection unlocking mechanism 3 further includes a guide post 305, the guide post 305 is disposed on the first clamping member 301, and the first elastic member 303 is sleeved on the guide post 305 and guides through the guide post 305. Preferably, the guide post 305 is integrally formed with the first clip 301.
With continued reference to fig. 6, in other embodiments, the first locking member 301, the first elastic member 303 of the second locking member 302, the guiding post 305 and the button 304 described above can be also used, but they are different from the above embodiment: the first clamping piece 301 is arranged on the hand control piece 201, two ends of the first elastic piece 303 respectively prop against the hand control piece 201 and the first clamping piece 301, and the second clamping piece 302 is fixedly connected to the handle 101. When the hand control 201 is stretched, the hand control 201 is held, and the button 304 is pressed, at this time, the first elastic member 303 is further compressed, the first clamping member 301 is separated from the second clamping member 302, and then the first clamping member 301, the first elastic member 303 and the guide post 305 move up together with the hand control 201 and separate from the handle 101.
With continued reference to fig. 1-3, 7 and 8, the force-retaining mechanism 4 may take on different configurations in different embodiments, as described in more detail below.
In one embodiment, the acting force retaining mechanism 4 includes a second elastic member 401, where the second elastic member 401 is sleeved on the telescopic assembly 2, and the upper end and the lower end of the second elastic member 401 are limited by the telescopic assembly 2 and the pull rod main body 1 respectively.
In detail: the lower end of the telescopic assembly 2 (e.g. the rod 202) is provided with a limiting part 403, and the lower end of the second elastic member 401 is limited by the limiting part 403. The stop 403 and the rod 202 are preferably integrally formed for ease of processing and simplified process.
The acting force retaining mechanism 4 further comprises a limiting piece 404, the limiting piece 404 is fixedly connected to the pull rod main body 1, a through hole is formed in the limiting piece 404, the rod piece 202 and the through hole penetrate through the limiting piece 404, and the diameter of the through hole is slightly larger than that of the rod piece 202 and smaller than the outer diameter of the second elastic piece 401. The upper end of the second elastic member 401 is limited by a limiting member 404.
When the telescopic assembly 2 stretches, the rod 202 moves upwards along with the manual control part, and at this time, the second elastic piece 401 compresses between the limiting part 403 and the limiting body, so that an interaction force is generated between the telescopic assembly 2 and the pull rod main body 1.
In the second embodiment, as shown in fig. 7, the force retaining mechanism 4 includes a third elastic member 402, and the connection relationship between the third elastic member 402 and other components is different from that of the previous embodiment, in this embodiment, the upper end of the third elastic member 402 is connected to the lower end of the rod 202, and the lower end of the third elastic member 402 is limited by the pull rod body 1.
In detail: the upper and lower ends of the third elastic member 402 are fixedly connected to the rod 202 and the pull rod body 1, respectively. When the telescopic assembly 2 and the pull rod main body 1 are in a connected state, the third elastic piece 402 is in a neutral position or in a compressed state; when the telescopic assembly 2 and the pull rod body 1 are in the separated state, the third elastic member 402 is in the stretched state, so that the hand control 201 and the pull rod body 1 tend to move towards each other.
In the third embodiment, as shown in fig. 8, unlike the two embodiments described above, the force retaining mechanism 4 of the present embodiment does not connect the telescopic assembly 2 and the tie rod main body 1 through an elastic member. In this embodiment, the force retaining mechanism 4 includes a first tooth 405, a second tooth 406, a slider 407, and a fourth elastic member 408. Wherein the first tooth 405 is provided on the telescopic assembly 2, for example on the bar 202; the second tooth 406 is provided on the slider 407 and meshes with the first tooth 405; the slide block 407 is connected with the pull rod body 1 through a fourth elastic member 408; the fourth elastic member 408 holds the slider 407 against the interaction force between the first tooth 405 and the second tooth 406.
In detail: a vertical row of first teeth 405 are arranged on the rod 202 at intervals, at least one second tooth 406 is arranged on the sliding block 407, and the second teeth 406 are clamped between the adjacent first teeth 405. The slider 407 is reciprocally slidable on the pull rod body 1, and the fourth elastic member 408 is always in a compressed state, and thus always abuts against the slider 407, so that the interaction force between the second teeth 406 and the first teeth 405 is maintained. When the pull rod is to be extended or retracted, the lever 202 is forced against the force between the first teeth 405 and the second teeth 406 by applying a force to the hand control 201 for a certain period of time.
The pull rod body 1 may adopt a double rod type and a single rod type, and the two types are respectively described in distance.
In one embodiment, the pull rod body 1 is a double rod in which the retraction assembly 2 (e.g., rod 202) is inserted, the force retaining mechanism 4 is disposed within the double rod, and the connection unlocking mechanism 3 is disposed on the handle 101 of the pull rod body 1.
Namely: the handle 101 of flexible subassembly 2 and pull rod main part 1 is controlled through connecting the unblock structure, and this scheme is convenient for control very much in the spatial position and connects the unblock mechanism 3, makes the experience degree of multi-functional flexible pull rod better. The force retention mechanism 4 is submerged in the dual rod, which enhances the stability of the movement of the retraction assembly 2 (a particular part such as rod 202).
In another embodiment, the pull rod body 1 is a single rod, the telescopic assembly 2 (specific parts such as the rod 202) is inserted into the file, the acting force retaining mechanism 4 is arranged in the single rod, and the connecting and unlocking mechanism 3 is arranged on the handle 101 of the pull rod body 1.
Also, the arrangement of the parts according to the present embodiment still has the advantages of the double rod type described above.
The above disclosure is only a few specific embodiments of the present application, but the present application is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present application.
Claims (10)
1. The multifunctional telescopic pull rod comprises a pull rod main body and is characterized by further comprising a telescopic assembly, a connecting unlocking mechanism and an acting force retaining mechanism;
The telescopic component is connected with or separated from the pull rod main body through the connection unlocking mechanism, and when the telescopic component is separated from the pull rod main body, the telescopic component and the pull rod main body keep interaction force through the acting force retaining mechanism;
The telescopic assembly comprises a hand control part, the hand control part is connected with or separated from the pull rod main body through a connecting and unlocking mechanism, and when the hand control part is separated from the pull rod main body, the hand control part and the pull rod main body keep interaction force through an acting force retaining mechanism;
The telescopic component and the pull rod main body are in a separated state, and the telescopic component and the pull rod main body keep a mutually approaching movement trend through the acting force retaining mechanism so as to realize a clamping effect;
the telescopic assembly further comprises a rod piece, the rod piece is inserted into the pull rod main body, and the top end of the rod piece is connected with the hand control piece;
The telescopic component further comprises a guide pipe arranged on the pull rod main body, and the rod piece is inserted into the guide pipe and is movably arranged with the guide pipe;
The acting force retaining mechanism comprises a second elastic piece, the second elastic piece is sleeved on the telescopic assembly, and the upper end and the lower end of the second elastic piece are limited through the telescopic assembly and the pull rod main body respectively.
2. The multi-function expansion link of claim 1, wherein said expansion assembly further comprises a fifth resilient member; the fifth elastic piece is arranged between the hand control and the pull rod main body, and is in a compressed state when the telescopic assembly is connected with the pull rod main body through the connecting unlocking assembly.
3. The multi-functional telescopic drawbar according to claim 1, wherein the connection unlocking mechanism comprises a first clamping member, a second clamping member, and a first elastic member;
The first clamping piece is restrained by the pull rod main body, and the displacement freedom degree in the Z direction is released; the second clamping piece is arranged on the telescopic component and is clamped with the first clamping piece; when the first clamping piece is pressed, the first elastic piece is stressed to be compressed, and the first clamping piece and the second clamping piece are separated.
4. The multi-function expansion link of claim 3, wherein said second clamping member comprises a clamping groove and said first clamping member comprises a wedge-shaped clamping portion, said wedge-shaped clamping portion being clamped to said clamping groove.
5. The multi-function expansion link of claim 3, wherein said connection unlocking mechanism further comprises a button disposed on the first clip member and extending out of the link body.
6. The multi-function expansion link of claim 5, wherein the force retaining mechanism further comprises a stop fixedly connected to the link body, the stop limiting the upper end of the second resilient member.
7. The multi-functional expansion link of claim 1, wherein the force retaining mechanism comprises a third elastic member, an upper end of the third elastic member being coupled to a lower end of the rod member, a lower end of the third elastic member being restrained by the link body.
8. The multi-function expansion link of claim 1, wherein said force retaining mechanism comprises first teeth, second teeth, a slider, and a fourth spring;
The first teeth are arranged on the telescopic component, the second teeth are arranged on the sliding block and are clamped between the adjacent first teeth, and the sliding block is connected with the pull rod main body through the fourth elastic piece; the fourth elastic piece is propped against the sliding block to keep interaction force between the first tooth and the second tooth.
9. The multi-functional telescopic handle according to claim 1, wherein the handle body is a double-rod type, the telescopic assembly is inserted into the double-rod, the acting force retaining mechanism is arranged in the double-rod, and the connecting and unlocking mechanism is arranged on the handle of the handle body.
10. The multi-functional telescopic pull rod according to claim 1, wherein the pull rod body is a single rod, the telescopic assembly is inserted into the single rod, the acting force retaining mechanism is arranged in the single rod, and the connecting and unlocking mechanism is arranged on a handle of the pull rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231222.9A CN109123977B (en) | 2018-10-22 | 2018-10-22 | Multifunctional telescopic pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231222.9A CN109123977B (en) | 2018-10-22 | 2018-10-22 | Multifunctional telescopic pull rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109123977A CN109123977A (en) | 2019-01-04 |
| CN109123977B true CN109123977B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811231222.9A Active CN109123977B (en) | 2018-10-22 | 2018-10-22 | Multifunctional telescopic pull rod |
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| CN (1) | CN109123977B (en) |
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