CN216000054U - A flexible pneumatic clamp - Google Patents

A flexible pneumatic clamp Download PDF

Info

Publication number
CN216000054U
CN216000054U CN202121795124.5U CN202121795124U CN216000054U CN 216000054 U CN216000054 U CN 216000054U CN 202121795124 U CN202121795124 U CN 202121795124U CN 216000054 U CN216000054 U CN 216000054U
Authority
CN
China
Prior art keywords
rod
arc
spring
rotating
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121795124.5U
Other languages
Chinese (zh)
Inventor
李浩威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Haowei Hydraulic Machinery Co ltd
Original Assignee
Taizhou Haowei Hydraulic Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taizhou Haowei Hydraulic Machinery Co ltd filed Critical Taizhou Haowei Hydraulic Machinery Co ltd
Priority to CN202121795124.5U priority Critical patent/CN216000054U/en
Application granted granted Critical
Publication of CN216000054U publication Critical patent/CN216000054U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The utility model belongs to the field of pneumatic clamps, and particularly relates to a pneumatic clamp with strong flexibility, which comprises a bottom rod, a rotating rod, a supporting block, a pneumatic push rod, a clamping block, a rotating cylinder, a rotating pin, a magnetic ring, an arc-shaped rack, a first spring, an adjusting bolt, a limiting hole, a cylinder, a T-shaped square rod, a gear, an arc-shaped rack, a second spring, a round rod, a conical block, a third spring, a fixed block, a T-shaped round rod, a fourth spring and a magnetic block; rotate a rotation section of thick bamboo around the rotating pin, a rotation section of thick bamboo rotates and drives the clamp splice and remove, and then adjust the position of work piece, adjusting bolt moves along the screw hole, adjusting bolt moves and drives the arc magnetic stripe and remove and adsorb the laminating with the magnetic ring, and then the position of fixed a rotation section of thick bamboo, play the purpose of fixed work piece position, gear revolve extrudees the arc rack, make the arc rack remove and extrude spring two, when the arc rack aligns with the gear, under the effect of two elastic forces of spring, the arc rack removes and gear engagement, and then the position of fixed dwang.

Description

Pneumatic fixture with strong flexibility
Technical Field
The utility model relates to the field of pneumatic clamps, in particular to a pneumatic clamp with strong flexibility.
Background
Pneumatic clamps are clamps that position and clamp a workpiece with compressed air pressure.
The pneumatic clamp utilizes the pneumatic push rod to work to push the clamping block to move, and then clamps and fixes the workpiece.
The pneumatic fixture who uses at present has certain defect, lacks the convenient rotation of work piece and adjusts fixed establishment, and the work piece is by the clamp splice centre gripping fixed back, and inconvenient rotation regulation, and then inconvenient polishes work piece border position. Therefore, a flexible pneumatic clamp is provided to solve the above problems.
Disclosure of Invention
The utility model provides a pneumatic clamp with high flexibility, which aims to make up the defects of the prior art and solve the problems that a workpiece is lack of a convenient rotation adjusting and fixing mechanism, and after being clamped and fixed by a clamping block, the workpiece is inconvenient to rotate and adjust, and further the edge position of the workpiece is inconvenient to polish.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a pneumatic clamp with strong flexibility, which comprises a bottom rod, a rotating rod, a supporting block, a pneumatic push rod, a clamping block, a rotating cylinder and an adjusting and fixing mechanism, wherein the bottom rod is fixedly connected with the rotating rod; a rotating rod is rotatably mounted at the top end of the bottom rod, two supporting blocks are symmetrically and fixedly mounted at the top end of the rotating rod, pneumatic push rods are mounted at the outer ends of the two supporting blocks, one end of each pneumatic push rod penetrates through the supporting block and is rotatably mounted with a rotating cylinder, and a clamping block is fixedly mounted at one end of each rotating cylinder;
the adjusting and fixing mechanism comprises a rotating pin, a magnetic ring, an arc-shaped magnetic stripe, a first spring and an adjusting bolt, wherein one end of a pneumatic push rod is rotatably provided with the rotating pin, the other end of the rotating pin is fixedly arranged on a rotating cylinder, the annular side surface of the pneumatic push rod is fixedly provided with the magnetic ring, the first spring is symmetrically and fixedly arranged in the rotating cylinder, the arc-shaped magnetic stripe is fixedly arranged at one end of the spring, the annular side surface of the rotating cylinder is symmetrically provided with two threaded holes, the adjusting bolt is arranged in the threaded holes, one end of the adjusting bolt extends into the rotating cylinder and is attached to the arc-shaped magnetic stripe, the rotating cylinder is rotated around the rotating pin, the rotating cylinder is rotated to drive a clamping block to move, the clamping block is rotated to drive a workpiece to rotate, the position of the workpiece is adjusted, when the workpiece rotates to a proper angle, the adjusting bolt is screwed, the adjusting bolt moves along the threaded holes, and the adjusting bolt moves to drive the arc-shaped magnetic stripe to move and be attached to the magnetic ring in an adsorption manner, thereby fixing the position of the rotary cylinder and achieving the purpose of fixing the position of the workpiece.
Preferably, a cylinder is rotatably mounted in the middle of the top end of the bottom rod, a T-shaped square rod is slidably mounted in the cylinder, and the top end of the T-shaped square rod is fixedly mounted in the middle of the bottom end of the rotating rod; the design of the cylinder is convenient for the horizontal rotation of the rotating rod, and the design of the T-shaped square rod is convenient for the vertical height of the workpiece to be adjusted by pulling the rotating rod up and down.
Preferably, a gear is fixedly installed on the annular side surface of the cylinder, two grooves are symmetrically formed in the bottom rod, a second spring is fixedly installed in each groove, an arc-shaped rack is fixedly installed at the other end of each second spring, and one end of each arc-shaped rack is meshed with the gear; the dwang rotates, and the dwang passes through T type square bar and drives the drum and rotate, and the drum rotates and drives the gear rotation, and gear rotation extrudees the arc rack for the arc rack removes and extrudees spring two, and when the arc rack aligns with the gear, under the effect of spring two, the arc rack removes and gear engagement, and then the position of fixed dwang.
Preferably, round rods are symmetrically arranged at the front end and the rear end of the bottom rod, and one end of each round rod extends into the corresponding groove and is fixedly arranged on the arc-shaped rack; the design of round bar is convenient for fix the position of arc rack.
Preferably, more than two accommodating grooves are uniformly formed in the cylinder, a third spring is fixedly installed in each accommodating groove, a conical block is fixedly installed at one end of each spring, and one end of each conical block extends to the outer side of each accommodating groove and is attached to the T-shaped square rod; upwards stimulate the dwang, the dwang removes and drives T type square pole and remove, and T type square pole removes and extrudees the toper piece, and the toper piece receives the extrusion to move and extrudees spring three, and when the toper piece was crossed completely to T type square pole bottom, under the effect of spring three elasticity, the toper piece removed and resets, and T type square pole bottom was in between two toper pieces this moment, and then carries out the centre gripping to T type square pole and fixes.
Preferably, the annular side surface of the cylinder is fixedly provided with a miniature bearing, and the outer side of the miniature bearing is fixedly arranged in the bottom rod; the design of the micro bearing is convenient for the cylinder to be rotatably arranged inside the bottom rod.
The utility model has the advantages that:
1. according to the utility model, the rotating cylinder is rotated around the rotating pin, the rotating cylinder rotates to drive the clamping block to move, the clamping block rotates to drive the workpiece to rotate, and further the position of the workpiece is adjusted, when the workpiece rotates to a proper angle, the adjusting bolt is screwed, the adjusting bolt moves along the threaded hole, the adjusting bolt moves to drive the arc-shaped magnetic stripe to move and adhere to the magnetic ring in an adsorption manner, so that the position of the rotating cylinder is fixed, the purpose of fixing the position of the workpiece is achieved, and the problems that the workpiece is not convenient to rotate, adjust and fix due to the lack of a convenient rotation adjusting and fixing mechanism, and the workpiece is inconvenient to rotate and adjust after being clamped and fixed by the clamping block, and further the edge position of the workpiece is inconvenient to polish are solved;
2. according to the utility model, the rotating rod is rotated, the rotating rod drives the cylinder to rotate through the T-shaped square rod, the cylinder rotates to drive the gear to rotate, the gear rotates to extrude the arc-shaped rack, so that the arc-shaped rack moves to extrude the second spring, and when the arc-shaped rack is aligned with the gear, the arc-shaped rack moves to be meshed with the gear under the action of the elastic force of the second spring, so that the position of the rotating rod is fixed, and the problems that the fixed rotating rod is inconvenient to rotate and adjust and the position of the clamping block is inconvenient are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram according to a first embodiment;
FIG. 2 is a schematic view of an adjusting and fixing structure according to the first embodiment;
FIG. 3 is a schematic view of an assembly structure of a bottom rod and a rotating rod according to the first embodiment;
FIG. 4 is a partial enlarged view of the first embodiment at A;
fig. 5 is a schematic structural view of clamping the round bar according to the second embodiment.
In the figure: 1. a bottom bar; 2. rotating the rod; 3. a support block; 4. a pneumatic push rod; 5. a clamping block; 6. a rotating cylinder; 7. a rotation pin; 8. a magnetic ring; 9. an arc-shaped rack; 10. a first spring; 11. adjusting the bolt; 12. a limiting hole; 13. a cylinder; 14. a T-shaped square bar; 15. a gear; 16. an arc-shaped rack; 17. a second spring; 18. a round bar; 19. a conical block; 20. a third spring; 21. a fixed block; 22. a T-shaped round bar; 23. a fourth spring; 24. a magnetic block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, a flexible pneumatic clamp includes a bottom rod 1, a rotating rod 2, a supporting block 3, a pneumatic push rod 4, a clamping block 5, a rotating cylinder 6 and an adjusting and fixing mechanism; a rotating rod 2 is rotatably installed at the top end of the bottom rod 1, two supporting blocks 3 are symmetrically and fixedly installed at the top end of the rotating rod 2, pneumatic push rods 4 are installed at the outer ends of the two supporting blocks 3, one end of each pneumatic push rod 4 penetrates through the corresponding supporting block 3 and is rotatably installed with a rotating cylinder 6, a clamping block 5 is fixedly installed at one end of each rotating cylinder 6, the pneumatic push rods 4 are started, the pneumatic push rods 4 press the clamping blocks 5 to move in a working mode, and therefore workpieces are clamped and fixed between the two clamping blocks 5;
the adjusting and fixing mechanism comprises a rotating pin 7, a magnetic ring 8, an arc-shaped magnetic stripe 9, a first spring 10 and an adjusting bolt 11, wherein the rotating pin 7 is rotatably installed at one end of a pneumatic push rod 4, the other end of the rotating pin 7 is fixedly installed on a rotating cylinder 6, the magnetic ring 8 is fixedly installed on the annular side surface of the pneumatic push rod 4, the first springs 10 are symmetrically and fixedly installed in the rotating cylinder 6, the arc-shaped magnetic stripe 9 is fixedly installed at one end of each first spring 10, two threaded holes are symmetrically formed in the annular side surface of the rotating cylinder 6, the adjusting bolt 11 is installed in each threaded hole, and one end of the adjusting bolt 11 extends into the rotating cylinder 6 and is attached to the arc-shaped magnetic stripe 9; during operation, rotate a section of thick bamboo 6 around rotating pin 7, a section of thick bamboo 6 rotates and drives clamp splice 5 and remove, clamp splice 5 rotates and drives the work piece and rotate, and then adjust the position of work piece, rotate to suitable angle when the work piece, twist and move adjusting bolt 11, adjusting bolt 11 moves along the screw hole, adjusting bolt 11 moves and drives arc magnetic stripe 9 and remove and adsorb the laminating with magnetic ring 8, and then the fixed position of rotating a section of thick bamboo 6, play the purpose of fixed work piece position, arc magnetic stripe 9 removes and stretches spring 10, the elasticity of spring 10 is greater than the adsorption affinity between arc magnetic stripe 9 and the magnetic ring 8, be convenient for arc magnetic stripe 9 to remove and the separation of magnetic ring 8.
A cylinder 13 is rotatably arranged in the middle of the top end of the bottom rod 1, a T-shaped square rod 14 is slidably arranged in the cylinder 13, and the top end of the T-shaped square rod 14 is fixedly arranged in the middle of the bottom end of the rotating rod 2; during operation, the design of the cylinder 13 is convenient for the horizontal rotation of the rotating rod 2, and the design of the T-shaped square rod 14 is convenient for the vertical height of the workpiece to be adjusted by pulling the rotating rod 2 up and down.
A gear 15 is fixedly installed on the annular side surface of the cylinder 13, two grooves are symmetrically formed in the bottom rod 1, a second spring 17 is fixedly installed in each groove, an arc-shaped rack 16 is fixedly installed at the other end of each second spring 17, and one end of each arc-shaped rack 16 is meshed with the gear 15; the during operation rotates dwang 2, and dwang 2 drives drum 13 through T type square bar 14 and rotates, and drum 13 rotates and drives gear 15 and rotate, and gear 15 rotates and extrudes arc rack 16 for arc rack 16 removes and extrudes spring two 17, and when arc rack 16 aligns with gear 15, under the effect of spring two 17 elasticity, arc rack 16 removes and gear 15 meshes, and then the position of fixed dwang 2.
Round rods 18 are symmetrically arranged at the front end and the rear end of the bottom rod 1, and one end of each round rod 18 extends into the corresponding groove and is fixedly arranged on the arc-shaped rack 16; in operation, the design of the rod 18 facilitates the positioning of the arcuate rack 16.
More than two accommodating grooves are uniformly formed in the cylinder 13, a spring III 20 is fixedly arranged in each accommodating groove, a conical block 19 is fixedly arranged at one end of each spring III 20, and one end of each conical block 19 extends to the outer side of each accommodating groove and is attached to the T-shaped square rod 14; during operation upwards stimulates dwang 2, and dwang 2 removes and drives T type square bar 14 and remove, and T type square bar 14 removes and extrudes toper piece 19, and toper piece 19 receives extrusion and removes and extrude spring three 20, and when toper piece 19 was crossed completely to T type square bar 14 bottom, under the effect of spring three 20 elasticity, toper piece 19 removed and resets, and T type square bar 14 bottom was in between two toper pieces 19 this moment, and then carries out the centre gripping to T type square bar 14 and fix.
A miniature bearing is fixedly arranged on the annular side surface of the cylinder 13, and the outer side of the miniature bearing is fixedly arranged in the bottom rod 1; during operation, the micro bearing is designed to facilitate the rotating installation of the cylinder 13 inside the bottom rod 1.
Example two
Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, fixed blocks 21 are symmetrically and fixedly installed at front and rear ends of the bottom rod 1, a T-shaped round rod 2218 is slidably installed at one end of the fixed block 21 away from the round rod 18, one end of the T-shaped round rod 2218 penetrates through the fixed block 21, a spring four 23 is fixedly installed on an annular side surface of the T-shaped round rod 2218, two ends of the spring four 23 are respectively and fixedly installed on the fixed block 21 and the T-shaped round rod 2218, two magnetic blocks 24 are symmetrically and fixedly installed at one end of the fixed block 21 away from the round rod 18, and a limit hole 12 is formed on the annular side surface of the round rod 18; the during operation, rotate to suitable angle when dwang 2, promote T type round bar 2218, T type round bar 2218 removes inside getting into spacing hole 12, and then fix round bar 18 and arc rack 16, T type round bar 2218 removes and extrudes four 23 springs, T type round bar 2218 removes and adsorbs the laminating with magnetic path 24, the adsorption affinity between T type round bar 2218 and the magnetic path 24 is greater than four 23 springs, and then fixed T type round bar 2218's position, the stability of fixed dwang 2 has been improved.
The theory of operation rotates a section of thick bamboo 6 around rotating pin 7, rotates a section of thick bamboo 6 and rotates and drive clamp splice 5 and remove, and clamp splice 5 rotates and drives the work piece and rotate, and then adjusts the position of work piece, rotates to suitable angle when the work piece, twists adjusting bolt 11, and adjusting bolt 11 removes along the screw hole, and adjusting bolt 11 removes and drives arc magnetic stripe 9 and remove and adsorb the laminating with magnetic ring 8, and then the fixed position of rotating a section of thick bamboo 6 plays the purpose of fixed work piece position.
Rotating the dwang 2, the dwang 2 drives drum 13 through T type square bar 14 and rotates, and drum 13 rotates and drives gear 15 and rotate, and gear 15 rotates and extrudes arc rack 16 for arc rack 16 removes and extrudes two 17 springs, and when arc rack 16 aligns with gear 15, under the effect of two 17 spring forces of spring, arc rack 16 removes and gear 15 meshes, and then the position of fixed dwang 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a pneumatic fixture that flexibility is strong which characterized in that: comprises a bottom rod (1), a rotating rod (2), a supporting block (3), a pneumatic push rod (4), a clamping block (5), a rotating cylinder (6) and an adjusting and fixing mechanism; a rotating rod (2) is rotatably mounted at the top end of the bottom rod (1), two supporting blocks (3) are symmetrically and fixedly mounted at the top end of the rotating rod (2), pneumatic push rods (4) are mounted at the outer ends of the two supporting blocks (3), one end of each pneumatic push rod (4) penetrates through each supporting block (3) and is rotatably mounted with a rotating cylinder (6), and a clamping block (5) is fixedly mounted at one end of each rotating cylinder (6);
the adjusting and fixing mechanism comprises a rotating pin (7), a magnetic ring (8), an arc-shaped magnetic stripe (9), a first spring (10) and an adjusting bolt (11), wherein the rotating pin (7) is installed at one end of the pneumatic push rod (4) in a rotating mode, the other end of the rotating pin (7) is fixedly installed on the rotating cylinder (6), the magnetic ring (8) is fixedly installed on the annular side face of the pneumatic push rod (4), the two first springs (10) are fixedly installed inside the rotating cylinder (6), the arc-shaped magnetic stripe (9) is fixedly installed at one end of the first spring (10), the two threaded holes are symmetrically formed in the annular side face of the rotating cylinder (6), the adjusting bolt (11) is installed inside the threaded holes, and one end of the adjusting bolt (11) extends to the rotating cylinder (6) and is attached to the arc-shaped magnetic stripe (9) inside the rotating cylinder (6).
2. A flexible pneumatic clamp as claimed in claim 1, wherein: bottom bar (1) top intermediate position rotates and installs drum (13), drum (13) inside slidable mounting has T type square bar (14), and T type square bar (14) top fixed mounting is in dwang (2) bottom intermediate position.
3. A flexible pneumatic clamp as claimed in claim 2, wherein: the circular side face of the cylinder (13) is fixedly provided with a gear (15), two grooves are symmetrically formed in the bottom rod (1), a second spring (17) is fixedly arranged in each groove, the other end of the second spring (17) is fixedly provided with an arc-shaped rack (16), and one end of the arc-shaped rack (16) is meshed with the gear (15).
4. A flexible pneumatic clamp as claimed in claim 3, wherein: round bar (18) are installed to both ends symmetry around bottom bar (1), round bar (18) one end extends to inside and fixed mounting on arc rack (16) of recess.
5. A flexible pneumatic clamp as claimed in claim 3, wherein: the T-shaped square rod is characterized in that more than two containing grooves are uniformly formed in the cylinder (13), a spring III (20) is fixedly mounted in each containing groove, a conical block (19) is fixedly mounted at one end of each spring III (20), and one end of each conical block (19) extends to the outer side of each containing groove and is attached to the T-shaped square rod (14).
6. A flexible pneumatic clamp as claimed in claim 5, wherein: the miniature bearing is fixedly installed on the annular side face of the cylinder (13), and the outer side of the miniature bearing is fixedly installed inside the bottom rod (1).
CN202121795124.5U 2021-08-03 2021-08-03 A flexible pneumatic clamp Expired - Fee Related CN216000054U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121795124.5U CN216000054U (en) 2021-08-03 2021-08-03 A flexible pneumatic clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121795124.5U CN216000054U (en) 2021-08-03 2021-08-03 A flexible pneumatic clamp

Publications (1)

Publication Number Publication Date
CN216000054U true CN216000054U (en) 2022-03-11

Family

ID=80589916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121795124.5U Expired - Fee Related CN216000054U (en) 2021-08-03 2021-08-03 A flexible pneumatic clamp

Country Status (1)

Country Link
CN (1) CN216000054U (en)

Similar Documents

Publication Publication Date Title
CN208713849U (en) Fan motor frock clamp
CN205890376U (en) Drawing robot
CN210756798U (en) Automatic polishing machine for towel rack
CN211439875U (en) Stamping workpiece for car with stabilize centre gripping effect
CN216098497U (en) Turnover fixture for machining automobile parts
CN216000054U (en) A flexible pneumatic clamp
CN215811404U (en) An automatic balancing machine spindle structure that can quickly replace fixtures
CN214265246U (en) Clamping and fixing device for machining rigid orthokeratology lens
CN110695777A (en) Miniature bearing grinding frock
CN209970128U (en) Planer fixture for spare and accessory part machining
CN210669347U (en) Make things convenient for welding-free gallows of steel construction building electromechanical pipeline installation
CN207739399U (en) A kind of friction antiskid bearing applied to steel construction
CN218170125U (en) Quick-change clamp
CN220463564U (en) A kind of fixture for machining
CN214641820U (en) A rotatable CNC machine tool fixture
CN217702452U (en) V-shaped semi-adjusting ball valve hemisphere machining tool
CN217414188U (en) Assembled wallboard cutting device
CN116810439A (en) A rotatable clamping seat for surface grooving of milling cutters
CN207983116U (en) A kind of brake block machining tool fixture
CN215291478U (en) Template anchor clamps of building engineering construction usefulness
CN214561329U (en) Limiting and fixing device for plate processing
CN215201632U (en) Solid of revolution part outward appearance detects anchor clamps
CN110900447B (en) Clamping device capable of keeping bearing clamping force constant
CN208578214U (en) A kind of building curtain wall combined type mounting base
CN114833656A (en) Disc brake pad grinding device with movable clamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A Flexible Pneumatic Fixture

Effective date of registration: 20220930

Granted publication date: 20220311

Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd.

Pledgor: Taizhou Haowei Hydraulic Machinery Co.,Ltd.

Registration number: Y2022330002421

PE01 Entry into force of the registration of the contract for pledge of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220311

CF01 Termination of patent right due to non-payment of annual fee