CN210056201U

CN210056201U - Table type bar cutting pliers

Info

Publication number: CN210056201U
Application number: CN201920577390.7U
Authority: CN
Inventors: 张建强; 易志斌; 赵亚攀
Original assignee: Hebei Bockney Medical Devices Co Ltd
Current assignee: Hebei Bockney Medical Devices Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-14
Anticipated expiration: 2029-04-25

Abstract

The utility model provides a desk-top disconnected excellent pincers, includes two sets of blades, the pincers body and base, pincers body middle part sets up telescopic machanism, telescopic machanism includes handle bar, handle extension rod, locating pin and stop gear, the handle bar is hollow structure, and the cover is established the periphery of handle extension rod, stop gear sets up the periphery of handle extension rod tip and with the handle bar is connected, stop gear includes that the lock is female, the female lid of lock, steel ball and compression spring, compression spring's one end with the end connection of handle bar, set up the recess on the handle extension rod, set up the steel ball in the recess. The utility model provides a pair of desk-top disconnected excellent pincers have simple structure, stable firm, convenient to use, application scope wide advantage, and the handle bar in the pincers body can prolong or shorten and be difficult for droing, and wherein desk-top disconnected excellent pincers have still increased the dipperstick, make the operation more convenient.

Description

Table type bar cutting pliers

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to desk-top disconnected excellent pincers.

Background

When an orthopedic internal fixation operation is performed, implants such as a steel bar and a titanium bar are often required to be implanted into a patient body so as to achieve the effects of bone fixation and the like, but the length of the implants on the market is difficult to achieve and is suitable for each patient, so that bar breaking pliers are required to cut the implants such as the steel bar and the titanium bar to a length suitable for use. The existing rod clippers on the market are heavy and are laboursome to move when in use; the steel wire nail is only suitable for some thin steel wires and steel nails with regular shapes, and can not be used when meeting special shapes, so that the application range is small; and the handle is easy to fall off when being stretched towards the far end.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a table type rod breaking pliers, which comprises two groups of blades, a pliers body and a base, wherein the two groups of blades respectively comprise a first blade and a second blade, the near ends and the far ends of the first blade and the second blade are respectively provided with two through holes, the near ends of the first blade and the second blade pass through the through holes of the near ends through cylindrical pins to form a hinge connection and are arranged into a front-back connection structure, the other ends of the two groups of blades are respectively connected with the pliers body and the base to form a hinge mechanism, the pliers body is connected with the base, the middle part of the pliers body is provided with a telescopic mechanism, the telescopic mechanism comprises a handle rod, a handle extension rod and a limiting mechanism, the handle rod is of a hollow structure and is sleeved on the periphery of the handle extension rod, the limiting mechanism is arranged on the periphery of the end part of the handle extension rod and is connected with the handle rod, the limiting mechanism comprises a lock nut, a lock nut cover, a steel ball and a compression spring, one end of the compression spring is connected with the end of the handle rod, a groove is formed in the handle extension rod, and the steel ball is arranged in the groove.

Preferably, the two ends of the clamp body, which are located on the telescopic mechanism, are respectively provided with a pressing block and a handle, and the pressing block is connected with the blade.

In any of the above schemes, preferably, the base includes a first bottom plate, a second bottom plate, a connecting plate and a supporting block, the first bottom plate and the second bottom plate are respectively connected with two ends of the connecting plate and fixed by bolts, the bottom of the supporting block is connected with the first bottom plate by a cylindrical pin and fixed by bolts, and the center of the supporting block is designed to be hollow, so as to play a role in reducing weight.

In any of the above schemes, preferably, the first bottom plate is provided with a supporting block, the supporting block is hollow and connected with the first bottom plate through a bolt, and the supporting block is fixedly connected with the pressing block through a bolt.

In any of the above schemes, preferably, a cylindrical pin is arranged at an end of the pressing block in the forceps body, the cylindrical pin is arranged in a through hole at a distal end of the second blade to realize the hinge connection, the supporting block in the base is provided with a cylindrical pin, the cylindrical pin is arranged in a through hole at a distal end of the first blade to realize the hinge connection, and the pressing block in the forceps body is connected with the supporting block in the base through the cylindrical pin to realize the hinge connection.

In any of the above schemes, preferably, the connecting plate is provided with a measuring scale, the measuring scale has a measuring range of 0-200mm, and since the thicknesses of the first blade and the second blade are both 10mm, the end near 0mm is provided with an extension of the measuring range of 10mm, so as to ensure the accuracy of the length when the rod is broken.

In any of the above schemes, preferably, the two groups of blades are provided with a special-shaped hole and a round hole with different phi 4-6mm, the round hole is used for cutting the diameter, the special-shaped hole is used for cutting some bars and plates with irregular shapes and larger sizes, and the round holes can respectively cut round bars with phi 4-6 mm.

In any one of the above schemes, preferably, a slide way penetrating through the handle extension rod is arranged on the handle extension rod, the inner wall of the handle rod is arranged on a positioning pin adapted to the slide way, and the positioning pin is connected with the slide way.

The utility model discloses occupation space reduces, can put into the sterilizer and disinfect, and application scope is wide, and weight is less, the utility model discloses a stop gear adopts novel spacing principle, can realize the extension of the body of rod and shorten through the female lid of push-and-pull lock, easy and simple to handle, convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the bench type cutting pliers of the present invention;

FIG. 2 is a schematic view of the overall structure of the holding type cutting pliers of the present invention;

FIG. 3 is a schematic view of the internal structure of the pliers body according to the present invention;

FIG. 4 is a partial enlarged view of the limiting mechanism of the pliers body according to the present invention;

FIG. 5 is a schematic view of the internal structure of the base of the bench type cutting pliers of the present invention;

FIG. 6 is a schematic drawing of the operation of the bench type cutting pliers of the present invention;

FIG. 7 is a schematic view of the handle extension operation of the holding type cutting pliers of the present invention;

FIG. 8 is a schematic view of the operation of the holding type cutting pliers of the present invention;

the figures are labeled as follows: 1-a first blade; 2-a second blade; 3-a clamp body; 4-a base; 5-a first clamp body; 6-a second clamp body; 7-a compaction block; 8-handle extension rod; 9-a handle bar; 10-a positioning pin; 11-a compression spring; 12-a spacing pin; 13-a handle; 14-steel balls; 15-cylindrical pin; 16-a locking nut; 17-locking the female cover; 18-a first base plate; 19-a second base plate; 20-a connecting plate; 21-bolt; 22-support block.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

Example one

As shown in fig. 1,3,4,5, and 6, the utility model provides a table type bar cutting pliers, including a first blade 1, a second blade 2, a pliers body 3, and a base 4, two through holes are respectively arranged at the near end and the far end of the first blade 1 and the second blade 2, the through holes at the near end of the first blade 1 and the second blade 2 are fixed by a cylindrical pin 15, the cylindrical pin arranged on a supporting block 22 in the base 4 is embedded into the through hole at the far end of the first blade 1 to form a hinge connection, and the cylindrical pin 15 arranged on a compression block 7 in the pliers body 3 is embedded into the through hole at the far end of the second blade 2 to form a hinge connection; the pliers body 3 is provided with a handle 13, a handle rod 9, a handle extension rod 8 and a pressing block 7, the handle rod 9 is of a hollow structure, a slide way penetrating through the handle extension rod 8 is arranged on the handle extension rod 8, a positioning pin 10 matched with the slide way is arranged on the inner wall of the handle rod 8, and the positioning pin 10 is connected with the slide way, so that when the handle extension rod 8 is extended or shortened, the relative position of the handle extension rod 8 and the handle rod 9 can be kept unchanged (the handle extension rod 8 and the handle rod 9 cannot rotate relatively), and one end close to the pressing block 7 is provided with an L-shaped structure on the slide way, and a concave structure is arranged at a first bending position and used for fixing the positioning pin 10, when the positioning pin 10 slides to the concave structure, the positioning pin can be fixed through the concave structure, the handle extension rod 8 and the handle rod 9 are prevented from falling off due to excessive force when being extended, and in addition, when the handle rod 9 and the handle extension rod 8 need to be separated, the positioning pin 10 can be controlled to slide out along the L-shaped slide way; a limiting mechanism is arranged at the end, close to the handle, of the handle rod 9, the limiting mechanism consists of a lock nut 16, a lock nut cover 17, steel balls 14 and a compression spring 11, the handle extension rod 8 is arranged inside the handle rod 9, two ends of the handle extension rod 8 are respectively provided with a circle of grooves along the handle extension rod 8, the steel balls 14 are arranged in the grooves, and the handle extension rod 8 is stretched and fixed in the stretching process through interaction of the limiting mechanism and the grooves; the first blade 1 and the second blade 2 are both provided with special-shaped holes and round holes with different diameters of phi 4-6mm, the round holes are used for cutting diameters, the round holes can be used for cutting round bars with the diameters of phi 4-6mm respectively, the special-shaped holes are used for cutting bars and plates with irregular shapes and large sizes, and the cutting size range is phi 6 mm-phi 14 mm; the base is provided with a first bottom plate 18, a second bottom plate 19, a connecting plate 20 and a supporting block 22, the first bottom plate 18 and the second bottom plate 19 are respectively connected with two ends of the connecting plate 20 and fixed through bolts 21, the bottom of the supporting block 22 is connected and fixed with the first bottom plate 18 through the bolts 21, and the center of the supporting block 22 is in a hollow design and can play a role in reducing weight; the end part of the pressing block 7 in the pliers body 3 is provided with a cylindrical pin, the cylindrical pin is arranged in a through hole at the far end of the second blade 2 to realize hinge connection, the supporting block 22 in the base is provided with a cylindrical pin, the cylindrical pin is arranged in a through hole at the far end of the first blade 1 to realize hinge connection, the pressing block 7 in the pliers body is connected with the supporting block 22 in the base 4 through the cylindrical pin 15 to realize hinge connection, a measuring scale is arranged on the connecting plate 20 in the base 4, the measuring range is 0-200mm, and an operator can conveniently and directly measure a sheared object in the shearing process.

Example two

As shown in fig. 2, fig. 7 and fig. 8, the utility model also provides a hold formula bar clipper (another similar structure of embodiment one), including first blade 1, second blade 2, the first pincers body 5, the second pincers body 6, the near-end and the distal end of first blade 1 and second blade 2 set up two through-holes respectively, the through-hole of the near-end of first blade 1 and second blade 2 is fixed through cylindric lock 15, first pincers body 5 with the cylindric lock that sets up on the compact heap 7 in the second pincers body 6 imbeds respectively in the through-hole of first blade 1 and second blade 2 distal end, forms hinged joint. The utility model discloses a pincers, including pincers body 3, handle extension rod 9, handle extension rod 8, handle extension rod 9, handle extension rod 8 and compact heap 7, handle extension rod 9 is hollow structure, handle extension rod 8 arranges in handle extension rod 9's inside, the lower extreme of handle extension rod 8 is provided with the recess, the nearly handle 13 end of handle extension rod 9 is provided with locating pin 10, and when handle extension rod 8 prolongs or shortens, locating pin 10 slides in the slide, in order to guarantee handle extension rod 8 can not rotate at the extension or shorten the in-process. A bend is arranged at the far end of the handle 13 of the slideway, so that the handle extension rod 8 cannot fall off due to excessive force when being extended to the far end. The handle extension rod is characterized in that a limiting mechanism is arranged at the end, close to the handle, of the handle rod 9 and consists of a lock nut 16, a lock nut cover 17, a steel ball 14 and a compression spring 11, the handle extension rod 8 is arranged inside the handle rod 9, two ends of the handle extension rod 8 are respectively provided with a circle of grooves along the handle extension rod 8, and the handle extension rod 8 is stretched and fixed in the stretching process through interaction of the limiting mechanism and the grooves. The first blade 1 and the second blade 2 are both provided with special-shaped holes and round holes with different diameters of phi 4-6mm, the round holes are used for shearing bars with diameters of phi 4-6mm, the special-shaped holes are used for shearing bars and plates with irregular shapes and large sizes, and the shearing size range of phi 6 mm-phi 14mm is obtained.

EXAMPLE III

As shown in fig. 3 and 4, two sets of grooves are respectively arranged at two ends of the handle extension rod 8, when the handle extension rod 8 is not extended to the far end, the steel ball 14 is clamped in the groove at one end of the handle extension rod 8, the positions of the handle rod 9 and the handle extension rod 8 are locked, when the handle extension rod 8 is extended to the far end, the lock nut 16 is moved to the far end of the handle 13 by the acting force of the hand to compress the compression spring 11, the clamping groove arranged inside the lock nut 16 is moved to the position of the steel ball 14, the steel ball 14 can be moved out of the groove at the end of the handle extension rod 8, the handle 13 is pulled to the far end by the other hand, the clamping groove arranged inside the lock nut 16 is moved to the position of the steel ball 14, the steel ball 14 is separated from the groove of the handle extension rod 8 and enters the clamping groove, the handle extension rod 8 can be moved to the far end and moved to the end, the steel ball 14 is clamped, the positions of the handle rod 9 and the handle extension rod 8 are locked again to realize the extension of the handle; when shortening is again desired, the locking nut 16 is also manually forced to move the locking nut 16 distally of the handle 13 while pushing the handle 13 proximally with the other hand to effect shortening of the handle bar 9.

It will be understood by those skilled in the art that any combination of the above summary and detailed description of the invention and the parts shown in the drawings is included in the present bench-top breakwater pliers, and is not intended to limit the space and simplicity of the description, nor to describe each component of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a desk-top disconnected excellent pincers, includes two sets of blades, pincers bodies and base, and is two sets of the one end of blade is passed through the cylindric lock and is connected, and is two sets of the other end of blade respectively with pincers bodies and base are connected, constitute the hinge mechanism, pincers bodies with the base is connected, its characterized in that, pincers body middle part sets up telescopic machanism, telescopic machanism includes handle bar, handle extension rod and stop gear, the handle bar is hollow structure, the cover is established the periphery of handle extension rod, stop gear sets up the periphery of handle extension rod tip and with the handle bar is connected, stop gear includes lock mother, lock mother lid, steel ball and compression spring, compression spring's one end and the end connection of handle bar, set up the recess on the handle extension rod, set up the steel ball in the recess.

2. The table type bar clippers according to claim 1, wherein a compressing block and a handle are respectively arranged at two ends of the telescopic mechanism of the clipper body, and the compressing block is connected with the blade.

3. The bench-type bar clippers according to claim 2, wherein said base comprises a first base plate, a second base plate and a connecting plate, and both ends of said connecting plate are fixedly connected with said first base plate and said second base plate respectively through bolts.

4. The bench type rodder clamp according to claim 3, wherein a support block is arranged on the first base plate, the support block is hollow inside and connected with the first base plate through a bolt, the support block is connected with the blade, and the support block is fixedly connected with the pressing block through a bolt.

5. A bench-top bar clipper according to claim 3, characterized in that a measuring ruler is provided on the connecting plate, the measuring ruler having a measuring range of 0-200 mm.

6. A bench clipper according to claim 1, characterized in that the two sets of blades are provided with shaped holes and circular holes of varying diameters from 4 to 6mm, which cut round bars of 4 to 6mm in diameter, respectively.

7. The table type rod clippers according to claim 1, wherein a slide way penetrating through the handle extension rod is arranged on the handle extension rod, the inner wall of the handle rod is provided with a positioning pin adapted to the slide way, and the positioning pin is connected with the slide way.