CN211101716U - Drilling clamp for forklift leaf spring support - Google Patents
Drilling clamp for forklift leaf spring support Download PDFInfo
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- CN211101716U CN211101716U CN201922290665.1U CN201922290665U CN211101716U CN 211101716 U CN211101716 U CN 211101716U CN 201922290665 U CN201922290665 U CN 201922290665U CN 211101716 U CN211101716 U CN 211101716U
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Abstract
The utility model discloses a drilling fixture for a forklift leaf spring support, which comprises a positioning side plate at one side of a positioning support top plate or a support bottom plate, a positioning disc with the diameter equal to the inner diameter of a support ring, a screw rod assembly and a positioning top plate of the positioning support top plate or the support bottom plate close to the outer plate surface; the positioning top plate is movably connected to one side of the positioning side plate; the surface of the positioning top plate is provided with a through hole for calibrating a machining hole position; the positioning disc is arranged below the positioning top plate, and the circular surface of the positioning disc is parallel to the side surface of the positioning side plate; the positioning disc is movably connected to the same side of the positioning side plate through a screw rod assembly and used for connecting the positioning top plate; the positioning disc moves along the axial direction of the positioning disc; the screw rod assembly is rotatably connected to the positioning side plate through a shaft seat, and the axis direction of the screw rod assembly is perpendicular to the side face of the positioning side plate; the axis direction motion of positioning disk along the silk pole subassembly, the utility model discloses, the location is accurate, and is easy and simple to handle.
Description
Technical Field
The utility model relates to a boring grab presss from both sides tight technical field, specifically is a drilling grab for fork truck leaf spring support.
Background
The plate spring support with the round hole is lack of a special positioning clamp when drilling, and is difficult to position and poor in positioning effect.
If the publication number is CN201120541353.4, which discloses a rotary fixture for drilling and tapping an inclined hole on a suspension spring seat, wherein when positioning a plate spring support, a pressing plate for pressing and fixing the suspension spring seat on a workbench is adopted to be fixedly connected with the workbench through a bolt, obviously, the pressing plate needs to be arranged below a circular ring, and through threaded holes are formed in the pressing plate and the circular ring, that is, the use of the fixture firstly needs to transform the spring seat, and the structure of the spring seat is complicated, meanwhile, in the comparison document, the bolt is used for fixing, after drilling, the bolt needs to be detached by using a tool, the operation difficulty is further increased, and secondly, the bolt is used for positioning, so that all forces are directed to the bolt, and the bolt is easily damaged, and further the positioning effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the drilling clamp is strong in positioning effect and simple to operate.
In order to solve the technical problem, the utility model provides a following technical scheme: a drilling fixture for a forklift leaf spring support comprises a positioning side plate on one side of a positioning support top plate or a support bottom plate, a positioning disc with the diameter equal to the inner diameter of a support ring, a screw rod assembly and a positioning top plate, wherein the positioning top plate is close to the outer plate surface, of the positioning support top plate or the support bottom plate; the positioning top plate is movably connected to one side of the positioning side plate; the surface of the positioning top plate is provided with a through hole for calibrating a machining hole position; the positioning disc is arranged below the positioning top plate, and the circular surface of the positioning disc is parallel to the side surface of the positioning side plate; the positioning disc is movably connected to the same side of the positioning side plate through a screw rod assembly and used for connecting the positioning top plate; the positioning disc moves along the axial direction of the positioning disc; the screw rod assembly is rotatably connected to the positioning side plate through a shaft seat, and the axis direction of the screw rod assembly is perpendicular to the side face of the positioning side plate; the positioning disc moves along the axial direction of the screw rod component;
the drilling clamp for the forklift leaf spring support further comprises a positioning top plate height adjusting assembly; the positioning top plate is movably arranged on the positioning side plate through a positioning top plate height adjusting assembly.
Adjust the locating top board to the farthest department of keeping away from the positioning disk through locating top board altitude mixture control subassembly, penetrate the lead screw subassembly in the support ring along the axial of support ring, after the side butt of support top board or support bottom plate is to the location curb plate, move the positioning disk towards one side of keeping away from the location curb plate through the lead screw subassembly, treat to move the positioning disk in the support ring, and cup joint the back with the support ring, readjust locating top board altitude mixture control subassembly, adjust locating top board towards the direction of support ring, after a face laminating of support ring is kept away from to locating top board and support top board or support bottom plate, press from both sides tight leaf spring support promptly, and carry out the operation of punching that follows.
The positioning top plate height adjusting assembly comprises a height adjusting hole and a locking bolt; the height adjusting holes penetrate through the two sides of the positioning side plate; the thread section of the locking bolt penetrates through the height adjusting hole and is screwed into the positioning top plate.
The locking bolt is screwed down from the positioning top plate, the locking bolt is pulled out from the height adjusting hole, then the distance between the positioning top plate and the positioning disc is manually adjusted, after the locking bolt is adjusted, the locking bolt is inserted into the height adjusting hole and screwed into the positioning top plate to be fixed, and the height adjustment of the positioning top plate can be completed.
The height adjusting hole is a waist-shaped hole which is vertically arranged.
The positioning top plate height adjusting assembly further comprises a gasket; the gasket is arranged between the nut of the locking bolt and one side of the positioning side plate far away from the positioning top plate.
The screw rod assembly comprises a first screw rod and a first adjusting knob; one end of the first screw rod is rotatably connected to the positioning side plate through a shaft seat; the first adjusting knob is fixedly bonded to the other end of the first screw rod; the first screw rod penetrates through the axis of the positioning disc and is in threaded fit connection with the positioning disc.
The positioning disc is held by hands, the rotation of the positioning disc is prevented, then the first adjusting knob is rotated, the first screw rod is driven to rotate, the positioning disc is driven to move on the first screw rod, and the positioning disc is simple in structure and convenient to operate.
The drilling clamp for the forklift leaf spring support further comprises a limiting assembly and a connecting assembly for limiting the other side of the leaf spring support; the connecting assembly is arranged on the side face, far away from the positioning side plate, of the positioning top plate; the limiting assembly is movably connected to the connecting assembly.
Treat that the leaf spring support location back is good, reuse spacing subassembly with the leaf spring support keep away from the locking of one side of location curb plate, the both sides of leaf spring support all have the setting element, further location effect of strengthening the leaf spring support.
The connecting assembly comprises a second screw rod, a second knob, a limiting guide pillar and a screw rod sleeve; the second screw rod is vertically connected to one side, far away from the positioning side plate, of the positioning top plate and is rotatably connected to the positioning top plate through a shaft seat; a screw rod sleeve is sleeved on the second screw rod, and the screw rod sleeve is matched with the second screw rod through threads; the second knob is fixedly bonded to the outward end of the second screw rod; a limiting guide pillar is further arranged on the side of the second screw rod; one end of the limiting guide pillar is fixed on one side, far away from the positioning side plate, of the positioning top plate; the other end of the limiting guide pillar penetrates through the screw rod sleeve and is in sliding fit with the screw rod sleeve; the limiting assembly is movably connected to the screw rod sleeve.
The second rotary knob is rotated to drive the second screw rod to rotate, the screw rod sleeve is driven to move on the limiting guide pillar, and then the limiting assembly is driven to move, so that the limiting assembly can lock the widths of different support top plates or support bottom plates, the operation is simple, and the application range is wide.
The limiting assembly comprises a retaining ring, a connecting rod and a shaft sleeve which are in snap fit with the first screw rod; the shaft sleeve is rotatably sleeved on the screw rod sleeve; the arc side surface of the shaft sleeve is fixedly connected with a connecting rod; one end of the connecting rod is fixedly connected with a retaining ring.
The retaining ring is pulled down to rotate around the axis of the shaft sleeve, and then the retaining ring is buckled on the first screw rod, so that the locking of one side, far away from the positioning side plate, of the plate spring support can be completed, the structure is simple, and the operation is convenient.
The retaining ring, the connecting rod and the shaft sleeve are integrally formed.
Screwing the locking bolt off the positioning top plate, pulling out the locking bolt from the height adjusting hole, manually adjusting the distance between the positioning top plate and the positioning disc, modulating the distance to the maximum, inserting the locking bolt into the height adjusting hole after the adjustment is finished, screwing the locking bolt into the positioning top plate, and fixing the locking bolt; then, a first screw rod penetrates into the support circular ring along the axial direction of the support circular ring until the side surface of the support top plate or the support bottom plate is abutted to the positioning side plate, the positioning disc is held by hands to prevent the positioning disc from rotating, then a first adjusting knob is rotated to drive the first screw rod to rotate so as to drive the positioning disc to move on the first screw rod, after the positioning disc is moved into the support circular ring and is sleeved with the support circular ring, the locking bolt is screwed off from the positioning top plate again and is pulled out from the height adjusting hole, then the distance between the positioning top plate and the positioning disc is manually adjusted until the positioning top plate is pressed onto the support top plate or the support bottom plate, and then the locking bolt is inserted into the height adjusting hole and is screwed into the positioning top plate to be fixed; afterwards, the second knob is rotated to drive the second screw rod to rotate, and then the screw rod sleeve is driven to move on the limiting guide post, and then the limiting assembly is driven to move, after the connecting rod just passes through the side face of the support top plate or the support bottom plate far away from the positioning side plate, the buckle ring is pulled down, the shaft center of the shaft sleeve is rotated, the buckle ring is buckled on the first screw rod, secondary positioning locking is carried out on the plate spring support, the positioning effect is enhanced, and the punching precision is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that:
A. the plate spring support is positioned by matching the positioning disc with the support ring, limiting the positioning top plate and the positioning side plate and matching the positioning disc with the support ring, the positioning top plate and the positioning side plate, and the positioning disc, the positioning top plate and the positioning side plate are used, so that the positioning effect is good, and the operation is simple and convenient;
B. through the spacing subassembly that sets up, carry out secondary location locking to the leaf spring support, strengthen the location effect, guarantee the precision of punching.
Drawings
Fig. 1 is a schematic view of an operating state of a drilling jig for a forklift leaf spring support in an embodiment of the present invention;
FIG. 2 is an overall axial view of a drilling jig for a forklift leaf spring support in an embodiment of the present invention;
FIG. 3 is an isometric view of a leaf spring support in an embodiment of the invention;
fig. 4 is an exploded view of the limiting assembly and the screw rod sleeve in the embodiment of the present invention;
fig. 5 is an isometric view of the coupling assembly of the embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Examples
Referring to fig. 3, the plate spring support 7 includes a support top plate 71, a support ring 72, and a support bottom plate 73 disposed parallel to the support top plate 71. The support ring 72 is fixedly connected between the support top plate 71 and the support bottom plate 73, and the axial direction of the support ring 72 is parallel to the plate surface of the support top plate 71.
Referring to fig. 1, the embodiment discloses a drilling jig for a forklift leaf spring support, which includes a positioning side plate 1 on one side of a positioning support top plate 71 or a support bottom plate 73, a positioning disc 2 with the diameter equal to the inner diameter of a support ring 72, a screw rod assembly 3, and a positioning top plate 6 on the outer plate surface of the positioning support top plate 71 or the support bottom plate 73. The positioning top plate 6 is movably connected to one side of the positioning side plate 1. And the surface of the positioning top plate 6 is provided with a through hole for calibrating a machining hole position. The positioning disc 2 is arranged below the positioning top plate 6, and the round surface of the positioning disc 2 is parallel to the side surface of the positioning side plate 1. The positioning disc 2 is movably connected to the same side of the positioning side plate 1 for connecting the positioning top plate 6 through the screw rod assembly 3. The positioning plate 2 moves in the direction of its axis. The screw rod assembly 3 is rotatably connected to the positioning side plate 1 through a shaft seat, and the axis direction of the screw rod assembly 3 is perpendicular to the side face of the positioning side plate 1. The positioning disc 2 moves along the axial direction of the screw rod component 3.
The drilling clamp for the forklift leaf spring support further comprises a positioning top plate height adjusting assembly 8. The positioning top plate 6 is movably arranged on the positioning side plate 1 through a positioning top plate height adjusting assembly 8.
Adjust locating top plate 6 to the farthest place of keeping away from positioning disk 2 through locating top plate height adjusting subassembly 8, penetrate support ring 72 with lead screw subassembly 3 along the axial of support ring 72 in, until after support top plate 71 or support bottom plate 73's side butt receives location curb plate 1, move locating disk 2 towards the one side of keeping away from location curb plate 1 through lead screw subassembly 3, treat to move locating disk 2 to support ring 72 in, and cup joint the back with support ring 72, readjust locating top plate height adjusting subassembly 8, adjust locating top plate 6 towards the direction of support ring 72, until locating top plate 6 and support top plate 71 or support bottom plate 73 keep away from a face laminating of support ring 72 after, press from both sides leaf spring support 7 promptly, and carry out the operation of punching next.
Referring to fig. 2, the positioning top plate height adjustment assembly 8 includes a height adjustment hole 81, a locking bolt 83. The height adjusting holes 81 penetrate through both sides of the positioning side plate 1. The threaded section of the locking bolt 83 passes through the height adjustment hole 81 and is screwed into the set top plate 6.
The locking bolt 83 is screwed down from the positioning top plate 6, the locking bolt 83 is pulled out from the height adjusting hole 81, then the distance between the positioning top plate 6 and the positioning disc 2 is manually adjusted, after the locking bolt 83 is inserted into the height adjusting hole 81 and screwed into the positioning top plate 6 to be fixed, and then the height adjustment of the positioning top plate 6 can be completed.
The height adjusting holes 81 are waist-shaped holes vertically formed.
The positioning top plate height adjustment assembly 8 further comprises a spacer 82. The washer 82 is mounted between the nut of the locking bolt 83 and the side of the positioning side plate 1 remote from the positioning top plate 6.
The screw assembly 3 comprises a first screw 31 and a first adjusting knob 32. One end of the first screw rod 31 is rotatably connected to the positioning side plate 1 through a shaft seat. The first adjusting knob 32 is fixedly bonded to the other end of the first lead screw 31. The first screw rod 31 penetrates through the axis of the positioning disc 2 and is in threaded fit connection with the positioning disc 2.
Hold the positioning disk 2 with the hand, prevent it from rotating, then rotate first adjust knob 32, drive first lead screw 31 and rotate, and then drive positioning disk 2 and move on first lead screw 31, simple structure, simple operation.
The drilling clamp for the forklift leaf spring support further comprises a limiting component 4 and a connecting component 5, wherein the limiting component 4 limits the other side of the leaf spring support 7. The connecting assembly 5 is mounted on the side of the positioning top plate 6 away from the positioning side plate 1. The limiting component 4 is movably connected to the connecting component 5.
After the plate spring support 7 is positioned, the limiting assembly 4 is used for locking one side, far away from the positioning side plate 1, of the plate spring support 7, positioning pieces are arranged on two sides of the plate spring support 7, and the positioning effect of the plate spring support 7 is further enhanced.
Referring to fig. 2, 4 and 5, the connecting assembly 5 includes a second lead screw 51, a second knob 52, a limiting guide post 53 and a lead screw sleeve 54. The second screw rod 51 is vertically connected to one side of the positioning top plate 6 far away from the positioning side plate 1, and is rotatably connected to the positioning top plate 6 through a shaft seat. The second screw 51 is sleeved with a screw sleeve 54, and the screw sleeve 54 is in threaded fit with the second screw 51. The second knob 52 is fixedly bonded to an outward end of the second lead screw 51. And a limiting guide post 53 is also arranged on the side of the second screw rod 51. One end of the limiting guide post 53 is fixed on one side of the positioning top plate 6 far away from the positioning side plate 1. The other end of the limiting guide post 53 passes through the screw rod sleeve 54 and is in sliding fit with the screw rod sleeve 54. The limiting component 4 is movably connected to the screw rod sleeve 54.
The second knob 52 is rotated to drive the second screw rod 51 to rotate, and then the screw rod sleeve 54 is driven to move on the limiting guide post 53, and then the limiting assembly 4 is driven to move, so that the limiting assembly 4 can lock the widths of different support top plates 71 or support bottom plates 73, and the device is simple to operate and wide in application range.
Referring to fig. 2 and 4, the limiting assembly 4 includes a retaining ring 41 snap-fitted with the first lead screw 31, a connecting rod 42, and a shaft sleeve 43. The shaft sleeve 43 is rotatably sleeved on the lead screw sleeve 54. The circular arc side of the shaft sleeve 43 is fixedly connected with a connecting rod 42. One end of the connecting rod 42 is fixedly connected with a retaining ring 41. The retaining ring 41, the connecting rod 42 and the bushing 43 are integrally formed.
The retaining ring 41 is pulled down and rotates around the axis of the shaft sleeve 43, and then the retaining ring 41 is buckled on the first screw rod 31, so that the locking of one side of the plate spring support 7, which is far away from the positioning side plate 1, can be completed, and the structure is simple and the operation is convenient.
The working principle of the embodiment is as follows: screwing the locking bolt 83 off the positioning top plate 6, pulling out the locking bolt 83 from the height adjusting hole 81, manually adjusting the distance between the positioning top plate 6 and the positioning disc 2, modulating the distance to the maximum, inserting the locking bolt 83 into the height adjusting hole 81 after the adjustment is completed, screwing the locking bolt into the positioning top plate 6, and fixing the locking bolt; then, a first screw rod 31 penetrates into the support circular ring 72 along the axial direction of the support circular ring 72 until the side surface of the support top plate 71 or the support bottom plate 73 abuts against the positioning side plate 1, the positioning disc 2 is held by hands to prevent the positioning disc 2 from rotating, then a first adjusting knob 32 is rotated to drive the first screw rod 31 to rotate, further the positioning disc 2 is driven to move on the first screw rod 31, after the positioning disc 2 is moved into the support circular ring 72 and sleeved with the support circular ring 72, the locking bolt 83 is screwed down from the positioning top plate 6 again, the locking bolt 83 is pulled out from the height adjusting hole 81, then the distance between the positioning top plate 6 and the positioning disc 2 is manually adjusted until the positioning top plate 6 is pressed onto the support top plate 71 or the support bottom plate 73, then the locking bolt 83 is inserted into the height adjusting hole 81 and screwed into the positioning top plate 6 to fix the positioning top plate; afterwards, the second knob 52 is rotated to drive the second screw rod 51 to rotate, and further drive the screw rod sleeve 54 to move on the limiting guide post 53, and then drive the limiting assembly 4 to move, and after the connecting rod 42 just passes through the side surface of the support top plate 71 or the support bottom plate 73 far away from the positioning side plate 1, the buckle 41 is pulled down, and rotates around the axis of the shaft sleeve 43, and then the buckle 41 is buckled on the first screw rod 31, so as to perform secondary positioning locking on the plate spring support 7, thereby enhancing the positioning effect and ensuring the punching accuracy.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a drilling jig for fork truck leaf spring support which characterized in that: the positioning support comprises a positioning side plate at one side of a positioning support top plate or a support bottom plate, a positioning disc with the diameter equal to the inner diameter of a support ring, a screw rod assembly and a positioning top plate of the positioning support top plate or the support bottom plate close to the outer plate surface; the positioning top plate is movably connected to one side of the positioning side plate; the surface of the positioning top plate is provided with a through hole for calibrating a machining hole position; the positioning disc is arranged below the positioning top plate, and the circular surface of the positioning disc is parallel to the side surface of the positioning side plate; the positioning disc is movably connected to the same side of the positioning side plate through a screw rod assembly and used for connecting the positioning top plate; the positioning disc moves along the axial direction of the positioning disc; the screw rod assembly is rotatably connected to the positioning side plate through a shaft seat, and the axis direction of the screw rod assembly is perpendicular to the side face of the positioning side plate; the positioning disc moves along the axial direction of the screw rod component;
the drilling clamp for the forklift leaf spring support further comprises a positioning top plate height adjusting assembly; the positioning top plate is movably arranged on the positioning side plate through a positioning top plate height adjusting assembly.
2. The drilling jig for the forklift leaf spring support according to claim 1, characterized in that: the positioning top plate height adjusting assembly comprises a height adjusting hole and a locking bolt; the height adjusting holes penetrate through the two sides of the positioning side plate; the thread section of the locking bolt penetrates through the height adjusting hole and is screwed into the positioning top plate.
3. The drilling jig for the forklift leaf spring support according to claim 2, characterized in that: the height adjusting hole is a waist-shaped hole which is vertically arranged.
4. The drilling jig for the forklift leaf spring support according to claim 2, characterized in that: the positioning top plate height adjusting assembly further comprises a gasket; the gasket is arranged between the nut of the locking bolt and one side of the positioning side plate far away from the positioning top plate.
5. The drilling jig for the forklift leaf spring support according to claim 1, characterized in that: the screw rod assembly comprises a first screw rod and a first adjusting knob; one end of the first screw rod is rotatably connected to the positioning side plate through a shaft seat; the first adjusting knob is fixedly bonded to the other end of the first screw rod; the first screw rod penetrates through the axis of the positioning disc and is in threaded fit connection with the positioning disc.
6. The drilling jig for the forklift leaf spring support according to claim 1, characterized in that: the drilling clamp for the forklift leaf spring support further comprises a limiting assembly and a connecting assembly for limiting the other side of the leaf spring support; the connecting assembly is arranged on the side face, far away from the positioning side plate, of the positioning top plate; the limiting assembly is movably connected to the connecting assembly.
7. The drilling jig for the forklift leaf spring support according to claim 6, characterized in that: the connecting assembly comprises a second screw rod, a second knob, a limiting guide pillar and a screw rod sleeve; the second screw rod is vertically connected to one side, far away from the positioning side plate, of the positioning top plate and is rotatably connected to the positioning top plate through a shaft seat; a screw rod sleeve is sleeved on the second screw rod, and the screw rod sleeve is matched with the second screw rod through threads; the second knob is fixedly bonded to the outward end of the second screw rod; a limiting guide pillar is further arranged on the side of the second screw rod; one end of the limiting guide pillar is fixed on one side, far away from the positioning side plate, of the positioning top plate; the other end of the limiting guide pillar penetrates through the screw rod sleeve and is in sliding fit with the screw rod sleeve; the limiting assembly is movably connected to the screw rod sleeve.
8. The drilling jig for the forklift leaf spring support according to claim 7, characterized in that: the limiting assembly comprises a retaining ring, a connecting rod and a shaft sleeve which are in snap fit with the first screw rod; the shaft sleeve is rotatably sleeved on the screw rod sleeve; the arc side surface of the shaft sleeve is fixedly connected with a connecting rod; one end of the connecting rod is fixedly connected with a retaining ring.
9. The drilling jig for the forklift leaf spring support according to claim 8, characterized in that: the retaining ring, the connecting rod and the shaft sleeve are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290665.1U CN211101716U (en) | 2019-12-19 | 2019-12-19 | Drilling clamp for forklift leaf spring support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290665.1U CN211101716U (en) | 2019-12-19 | 2019-12-19 | Drilling clamp for forklift leaf spring support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101716U true CN211101716U (en) | 2020-07-28 |
Family
ID=71721825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922290665.1U Active CN211101716U (en) | 2019-12-19 | 2019-12-19 | Drilling clamp for forklift leaf spring support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101716U (en) |
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2019
- 2019-12-19 CN CN201922290665.1U patent/CN211101716U/en active Active
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