CN214445912U - Chain type wrench for disassembling threaded part - Google Patents
Chain type wrench for disassembling threaded part Download PDFInfo
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- CN214445912U CN214445912U CN202120307243.5U CN202120307243U CN214445912U CN 214445912 U CN214445912 U CN 214445912U CN 202120307243 U CN202120307243 U CN 202120307243U CN 214445912 U CN214445912 U CN 214445912U
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- clamping part
- base plate
- fixed clamping
- chain
- movable clamping
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Abstract
The utility model relates to a technical field is dismantled to the screw member, in particular to chain spanner for screw member is dismantled. The utility model discloses a chain spanner for screw member is dismantled includes the chain body, base plate and threaded rod, the middle part of base plate is equipped with the screw hole that both sides run through it, the chain body is located one side of base plate, and its both ends respectively with the both ends of base plate are connected, form the clamping area that is used for centre gripping screw member between the chain body and the base plate, the threaded rod passes the screw hole, and with screw hole threaded connection, the one end of threaded rod stretches into in the clamping area to be equipped with the orientation at this end tip the fixed clamping part of the bar that the base plate both ends extend, the both ends of clamping part are equipped with telescopic removal clamping part along its length direction respectively. The advantages are that: structural design is simple, reasonable, can adjust the area of contact of fixed clamping part and screw member according to the size of screw member, improves the stability of dismantling, and the operation is more laborsaving.
Description
Technical Field
The utility model relates to a technical field is dismantled to the screw member, in particular to chain spanner for screw member is dismantled.
Background
As is well known, a wrench is a common installation and removal tool, which is a hand tool that uses the principle of leverage to turn bolts, screws, nuts, and other threaded fasteners that hold open or trepanned fasteners of bolts or nuts. The wrench is typically made of structural steel of carbon or alloy material.
The wrenches are basically divided into two types, namely a dead wrench and a monkey wrench, wherein the dead wrench refers to a wrench with fixed numbers written on, and the monkey wrench refers to an monkey wrench. Firstly, a solid wrench is provided, wherein one end or two ends of the solid wrench are provided with openings with fixed sizes for screwing nuts or bolts with certain sizes. The double offset ring spanner has two ends with work ends with hexagonal or dodecagonal holes, and is suitable for use in narrow work space where common spanner may not be used. And the other end of the dual-purpose wrench is the same as the double offset ring spanner, and bolts or nuts with the same specification are screwed at the two ends of the dual-purpose wrench. And fourthly, the adjustable wrench has the opening width capable of being adjusted within a certain size range and can be used for screwing bolts or nuts with different specifications. When the existing spanner is used, most of the existing spanners only can aim at the threaded parts with fixed sizes, the existing threaded parts are large, namely the large spanner needs to be replaced for disassembly, the use frequency of the large spanner is low, the use frequency of the spanner is reduced invisibly, and the resource waste is caused; therefore, a clamping device for a chain type wrench is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a chain spanner for screw member is dismantled is provided, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a chain spanner for screw member is dismantled, including the chain body, base plate and threaded rod, the middle part of above-mentioned base plate is equipped with the screw hole that its is run through to both sides, the above-mentioned chain body is located one side of above-mentioned base plate, and its both ends are connected with the both ends of above-mentioned base plate respectively, form the clamping area that is used for centre gripping screw member between the above-mentioned chain body and the base plate, above-mentioned threaded rod passes above-mentioned screw hole, and with above-mentioned screw hole threaded connection, the one end of above-mentioned threaded rod stretches into in the above-mentioned clamping area, and be equipped with the fixed clamping part of the bar that extends towards above-mentioned base plate both ends at this end tip, the both ends of above-mentioned fixed clamping part are equipped with telescopic removal clamping part along its length direction respectively.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the fixed clamping part is of a rectangular groove structure, one side and two ends of the fixed clamping part, which are far away from the substrate, are arranged in an open mode, the two movable clamping parts are rectangular members matched with the groove shape in the fixed clamping part, one ends of the two movable clamping parts respectively extend into the fixed clamping part from the openings of the two ends of the fixed clamping part, and is connected with the fixed clamping part in a sliding way, one surfaces of the fixed clamping part and the two movable clamping parts, which are far away from the substrate, are flush with each other, a springback component is connected between the movable clamping part and the fixed clamping part, under the initial state, the movable clamping part extends to two ends of the fixed clamping part, the movable clamping part moves and contracts towards the inside of the fixed clamping part under the action of external force, the rebound component generates elastic deformation, and after the external force is cancelled, the movable clamping part moves and returns under the elastic action of the rebound component.
Furthermore, the upper part and the lower part of the two ends of the two side groove walls of the fixed clamping part are respectively provided with a sliding hole which extends along the length direction and penetrates through the two side groove walls, the sliding holes at the two ends of the fixed clamping part respectively extend to the middle part of the fixed clamping part and are close to each other, two sides of one end of the two movable clamping parts which extends into the fixed clamping part are respectively provided with a guide rod which penetrates through the corresponding sliding hole, and the guide rods can move along the corresponding sliding holes.
Further, the movable clamping portion is of a horizontally arranged strip-shaped U-shaped plate structure, side plates on two sides of the movable clamping portion are respectively located on two sides close to and far away from the substrate, an opening at the end of the movable clamping portion extends into an opening at one end of the corresponding fixed clamping portion, a partition plate is fixed between groove walls on two sides of the fixed clamping portion in the middle area of the fixed clamping portion, the guide rods are respectively arranged on the side plates on two sides of the movable clamping portion corresponding to the opening at the end of the movable clamping portion, and the springback component is arranged in the middle groove hole area of the movable clamping portion and is respectively connected with the partition plate and the closed end of the movable clamping portion.
Further, the resilient member is a spring and is disposed along the length direction of the movable clamping portion, and both ends of the resilient member are connected to the partition plate and the closed end of the movable clamping portion, respectively.
Furthermore, one end of the threaded rod, which is far away from the movable clamping part, is provided with a handheld part.
Further, the hand-held part is an anti-slip sleeve fixedly sleeved on the outer portion of one end, far away from the movable clamping part, of the threaded rod.
Further, the chain body comprises a plurality of first connecting pieces and a plurality of second connecting pieces which are distributed along the linear sequence, one second connecting piece is arranged between every two first connecting pieces, each first connecting piece comprises two strip-shaped connecting plates which are parallel to each other, two ends of each two connecting plates are fixedly connected through a rotating shaft perpendicular to the strip-shaped connecting plates, two ends of each second connecting piece respectively extend into the space between the two connecting plates at the corresponding ends of the two first connecting pieces and are rotatably sleeved outside the corresponding rotating shafts, one first connecting piece is arranged at each of two ends of the chain body, and two ends of the base plate respectively extend into the space between the first connecting pieces at two ends of the chain body and are rotatably sleeved outside the corresponding rotating shafts.
The utility model has the advantages that: structural design is simple, reasonable, can adjust the area of contact of fixed clamping part and screw member according to the size of screw member, improves the stability of dismantling, and the operation is more laborsaving.
Drawings
Fig. 1 is a schematic structural view of a chain wrench for screw removal according to the present invention;
FIG. 2 is a schematic structural view of the first connecting member and the second connecting member of the chain wrench for disassembling the threaded member according to the present invention;
fig. 3 is a schematic structural view of the fixed clamping portion and the movable clamping portion of the chain wrench for disassembling the screw member of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the chain body, 2, base plate, 3, threaded rod, 4, fixed clamping part, 5, removal clamping part, 11, first connecting piece, 12, second connecting piece, 41, slide opening, 51, resilience part, 52, guide bar, 53, handheld portion, 111, connecting plate, 112, pivot.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1 and 2, the chain wrench for detaching a screw member of the present embodiment includes a chain body 1, a base plate 2, and a threaded rod 3, wherein a threaded hole is formed in a middle portion of the base plate 2, both ends of the chain body 1 are connected to both ends of the base plate 2, a clamping area for clamping the screw member is formed between the chain body 1 and the base plate 2, the threaded rod 3 passes through the threaded hole and is in threaded connection with the threaded hole, one end of the threaded rod 3 extends into the clamping area, a strip-shaped fixed clamping portion 4 extending toward both ends of the base plate 2 is disposed at the end of the threaded rod, and both ends of the fixed clamping portion 4 are respectively provided with a movable clamping portion 5 that can be extended and retracted along a length direction thereof.
The using process is as follows:
with the chain body 1 cover outside waiting to dismantle the screw member, and make the screw member be in between fixed clamping part 4 and the chain body 1, next, according to the size of screw member, rotatory threaded rod 3, make the one end of threaded rod 3 continuously go deep into the centre gripping district, until, fixed clamping part 4 presss from both sides the screw member with the chain body 1 tightly, later drive through the device the screw member rotatory demolish can, at this in-process, can make fixed frame portion 4 and removal clamping part 5 and screw member possess the area of contact of broad through adjusting the extension that removes clamping part 5, thereby improve the stability of dismantling, it is more laborsaving to operate.
As a preferred embodiment, the fixed clamping portion 4 is a rectangular parallelepiped slot structure, one side and two ends of which are open and disposed away from the substrate 2, the two movable clamping portions 5 are rectangular parallelepiped members matching with the inner slot of the fixed clamping portion 4, and one ends of the two movable clamping portions extend from the two open ends of the fixed clamping portion 4 and are slidably connected to the fixed clamping portion 4, the fixed clamping portion 4 and one surfaces of the two movable clamping portions 5 away from the substrate 2 are flush with each other, a resilient member 51 is connected between the movable clamping portion 5 and the fixed clamping portion 4, in an initial state, the movable clamping portions 5 extend to two ends of the fixed clamping portion 4, the movable clamping portion 5 moves and contracts towards the inside of the fixed clamping portion 4 under the action of external force, and the resilient member 51 elastically deforms, when the external force is removed, the movable clamping portion 5 moves and returns by the elastic force of the resilient member 51.
In this embodiment, when the screw member centre gripping is between fixed clamping part 4 and chain body 1, the interval between the chain body 1 both sides is exactly the width size of screw member promptly, under the initial condition, it is in the state of extending completely to remove clamping part 5, along with rotating threaded rod 3, can be with the stretching of chain body 1 both sides straightening, chain body 1 both sides can extrude and remove clamping part 5 until grasping the screw member completely, reach the purpose that adaptive control removed clamping part 5 extends the size promptly, make it can extend the size according to the size adaptive control of screw member, thereby reach the fixed clamping part 4 of cooperation and press from both sides tight purpose with the screw member, make fixed clamping part 4 and remove clamping part 5 combined action screw member and possess the contact surface of a comparison adaptation, thereby improve the stability of dismantling, it is more laborsaving to operate.
In a preferred embodiment, the upper and lower portions of both ends of the groove wall of the fixed clamping portion 4 are respectively provided with a sliding hole 41 extending in the longitudinal direction and penetrating therethrough, the sliding holes 41 of both ends of the fixed clamping portion 4 are respectively extended to the middle portions thereof and are close to each other, the two movable clamping portions 5 are respectively provided with a guide rod 52 penetrating through the corresponding sliding hole 41 at both sides of one end extending into the fixed clamping portion 4, and the guide rods 52 are movable along the corresponding sliding holes 41.
In this embodiment, the cooperation of the slide hole 41 and the guide rod 52 enables the movable clamping portion 5 to be extended and moved along the slide groove of the fixed clamping portion 4 well by external force or the resilient member 51, and the moving direction is accurate and no deviation occurs.
As a preferred embodiment, as shown in fig. 3, the movable clamping portion 5 is a horizontally disposed strip-shaped U-shaped plate structure, two side plates of the movable clamping portion 5 are respectively located at two sides close to and away from the base plate 2, an end opening of the movable clamping portion 5 extends into an end opening of the corresponding fixed clamping portion 4, a partition is fixed in a middle area inside the fixed clamping portion 4 between two side groove walls thereof, the guide rods 52 are respectively disposed at two side plates of the movable clamping portion 5 corresponding to the end openings thereof, and the resilient member 51 is disposed in a middle groove area of the movable clamping portion 5 and is respectively connected to the partition and a closed end of the movable clamping portion 5.
In this embodiment, the movable clamping part 5 is reasonable in design, the resilient part 51 can be conveniently assembled, the whole structure is compact and flexible in design, the size is small, and the use is convenient.
In a preferred embodiment, the resilient member 51 is a spring, and is disposed along the length direction of the movable clamping portion 5, and both ends of the resilient member are connected to the partition and the closed end of the movable clamping portion 5, respectively.
In a preferred embodiment, a handle 53 is provided at an end of the threaded rod 3 remote from the movable clamping portion 5.
In this embodiment, the design of the hand-held portion 53 facilitates the operator to easily grip the work piece without gripping the work piece, and facilitates the operation.
Preferably, the handle 53 is an anti-slip cover fixedly sleeved on an outer portion of an end of the threaded rod 3 away from the movable clamping portion 5.
Of course, the hand-held portion 53 may be an annular member fixed to one end of the threaded rod 3 remote from the movable clamping portion 5.
As a preferred embodiment, the chain body 1 includes a plurality of first connecting pieces 11 and a plurality of second connecting pieces 12 distributed in a linear sequence, one second connecting piece 12 is disposed between every two first connecting pieces 11, the first connecting pieces 11 include two strip-shaped and parallel connecting plates 111, two ends of the two connecting plates 111 are respectively connected and fixed by a rotating shaft 112 perpendicular to the two connecting pieces, two ends of the second connecting pieces 12 respectively extend between the two connecting plates 111 at corresponding ends of the two first connecting pieces 11 and are rotatably sleeved outside the corresponding rotating shaft 112, two ends of the chain body 1 are respectively provided with one first connecting piece 11, and two ends of the base plate 2 respectively extend between the first connecting pieces 11 at two ends of the chain body 1 and are rotatably sleeved outside the corresponding rotating shaft 112.
In the embodiment, the chain body 1 has reasonable and compact structural design, firmness and better flexibility.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A chain spanner for screw member dismantlement which characterized in that: including the chain body (1), base plate (2) and threaded rod (3), the middle part of base plate (2) is equipped with the screw hole that both sides run through it, the chain body (1) is located one side of base plate (2), and its both ends respectively with the both ends of base plate (2) are connected, form the centre gripping district that is used for centre gripping screw between the chain body (1) and base plate (2), threaded rod (3) pass the screw hole, and with screw hole threaded connection, the one end of threaded rod (3) stretches into in the centre gripping district to be equipped with the orientation at this end the fixed clamping part (4) of the bar that base plate (2) both ends extend, the both ends of fixed clamping part (4) are equipped with telescopic removal clamping part (5) along its length direction respectively.
2. A chain wrench as claimed in claim 1, wherein: the fixed clamping parts (4) are of rectangular groove structures, one side and two ends of each fixed clamping part (4) departing from the base plate (2) are arranged in an open mode, the two movable clamping parts (5) are components of a rectangular shape matched with the groove in the fixed clamping parts (4), one ends of the two movable clamping parts extend into the two ends of the fixed clamping parts (4) respectively and are in sliding connection with the fixed clamping parts (4), the fixed clamping parts (4) and the two movable clamping parts (5) deviate from one side of the base plate (2) and are parallel and level with each other, a springback component (51) is connected between the movable clamping parts (5) and the fixed clamping parts (4), under the initial state, the movable clamping parts (5) extend to the two ends of the fixed clamping parts (4), and the movable clamping parts (5) move towards the inner parts of the fixed clamping parts (4) to shrink under the action of external force, and the rebound component (51) generates elastic deformation, and after the external force is cancelled, the movable clamping part (5) moves to return under the elastic action of the rebound component (51).
3. A chain wrench as claimed in claim 2, wherein: the upper portions and the lower portions of the two ends of the groove walls on the two sides of the fixed clamping portion (4) are respectively provided with a sliding hole (41) which extends along the length direction of the groove walls and penetrates through the groove walls, the sliding holes (41) at the two ends of the fixed clamping portion (4) respectively extend to the middle portions of the groove walls and are close to each other, the two movable clamping portions (5) extend into the two sides of one end of the fixed clamping portion (4) and are respectively provided with a guide rod (52) which penetrates through the corresponding sliding hole (41), and the guide rods (52) can move along the corresponding sliding holes (41).
4. A chain wrench as claimed in claim 3, wherein: remove clamping part (5) and be the banding U-shaped plate structure of level setting, the both sides curb plate that removes clamping part (5) is located it respectively and is close to and deviates from the both sides of base plate (2), the tip opening part that removes clamping part (5) stretches into and corresponds in the one end of fixed clamping part (4) is uncovered, fixed clamping part (4) inside middle zone is fixed with the baffle between its both sides cell wall, two it corresponds its open position of tip to be equipped with respectively to remove clamping part (5) both sides curb plate guide bar (52), resilience part (51) set up in the middle slot hole region of removal clamping part (5), and respectively with the baffle with the blind end of removing clamping part (5) is connected.
5. A chain wrench as claimed in claim 4, in which: the rebound component (51) is a spring and is arranged along the length direction of the movable clamping part (5), and two ends of the rebound component are respectively connected with the partition plate and the closed end of the movable clamping part (5).
6. A chain wrench as claimed in any one of claims 1 to 5, in which: and a handheld part (53) is arranged at one end, far away from the movable clamping part (5), of the threaded rod (3).
7. A chain wrench as claimed in claim 6, wherein: the handheld part (53) is a non-slip sleeve fixedly arranged at the outer part of one end of the threaded rod (3) far away from the movable clamping part (5).
8. A chain wrench as claimed in any one of claims 1 to 5, in which: the chain body (1) comprises a plurality of first connecting pieces (11) and a plurality of second connecting pieces (12) which are distributed in a linear sequence, one second connecting piece (12) is arranged between every two first connecting pieces (11), each first connecting piece (11) comprises two strip-shaped connecting plates (111) which are parallel to each other, two ends of each connecting plate (111) are fixedly connected through a rotating shaft (112) which is perpendicular to the two connecting plates, two ends of each second connecting piece (12) respectively extend into the space between the two connecting plates (111) at the corresponding ends of the two first connecting pieces (11) and are rotatably sleeved outside the corresponding rotating shaft (112), two ends of the chain body (1) are respectively provided with one first connecting piece (11), two ends of the base plate (2) respectively extend into the space between the first connecting pieces (11) at two ends of the chain body (1), and is rotatably sleeved outside the corresponding rotating shaft (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120307243.5U CN214445912U (en) | 2021-02-03 | 2021-02-03 | Chain type wrench for disassembling threaded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120307243.5U CN214445912U (en) | 2021-02-03 | 2021-02-03 | Chain type wrench for disassembling threaded part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214445912U true CN214445912U (en) | 2021-10-22 |
Family
ID=78142645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120307243.5U Active CN214445912U (en) | 2021-02-03 | 2021-02-03 | Chain type wrench for disassembling threaded part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214445912U (en) |
-
2021
- 2021-02-03 CN CN202120307243.5U patent/CN214445912U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: 1-5 / F, Wuhan control center, No.126 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |
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| TR01 | Transfer of patent right |