Assembly structure of biopsy forceps pull rod

Abstract

The utility model discloses a biopsy forceps pull rod assembling structure which comprises a base, an auxiliary assembling strip is placed on the top of the base, a groove is formed in the top of the auxiliary assembling strip, a long-strip-shaped pull rod is placed in the auxiliary assembling strip through the groove, an upright vertical plate is fixedly installed on one side of the top of the auxiliary assembling strip, and the upright vertical plate is fixedly installed on the other side of the top of the auxiliary assembling strip. A top plate is fixedly mounted on the front face of the vertical plate, a downward pressing assembly is fixedly mounted at the bottom of the top plate through screws, two sliding grooves which are formed side by side are formed in the top of the base, and embedding plates extending into the sliding grooves are fixedly mounted on the two sides of the bottom of the auxiliary assembling strip correspondingly. A limiting assembly is fixedly mounted at the top of the base and located behind the auxiliary assembling strip. According to the limiting assembly, the upper surface of the long-strip-shaped pull rod placed in the groove can be pressed, the limiting purpose is achieved, and in addition, the long-strip-shaped pull rod can be automatically driven to be automatically assembled with the handle placed in the limiting assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to biopsy forceps pull rod assembly technical field, concretely is a kind of biopsy forceps pull rod's assembly structure. BACKGROUND

[0002] Biopsy forceps is a kind of medical instrument, usually used in biopsy operation in human body, its function is through clamping or cutting tissue sample, to carry out pathological analysis and diagnosis, in medical scene, biopsy forceps is usually used in biopsy of internal organs, lymph nodes, skin and muscle tissue, to determine whether there is abnormal tissue or cell structure, or determine the malignancy of pathological change.

[0003] The specific structure of biopsy forceps includes pull rod body, handle, chuck assembly, wherein pull rod body and handle are assembled, pull rod body tail end needs to be inserted into the inside of handle, and in the process of manual assembly of general staff, since the diameter of assembly hole of pull rod body and handle is small, it will consume certain time to align pull rod body tail end with the assembly hole of handle, thus a kind of biopsy forceps pull rod's assembly structure is needed to assist the assembly of pull rod and handle. SUMMARY

[0004] The utility model aims at providing a kind of biopsy forceps pull rod's assembly structure, to solve the problem raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of biopsy forceps pull rod's assembly structure, including base, the top of the base is placed with auxiliary assembly strip, the top of the auxiliary assembly strip is equipped with recess, the inside of the auxiliary assembly strip is placed with long pull rod through recess, one side of the top of the auxiliary assembly strip is fixedly installed with vertical vertical plate, the front of the vertical vertical plate is fixedly installed with top plate, the bottom of the top plate is fixedly installed with down-pressing component by screw, the top of the base is equipped with two side-by-side arranged sliding grooves, the both sides of the bottom of the auxiliary assembly strip are fixedly installed with the embedded plate extending into the inside of sliding groove, the top of the base is fixedly installed with limiting component, and limiting component is located at the rear of auxiliary assembly strip.

[0006] Preferably, the structure of the down-pressing component includes hydraulic cylinder, annular steel ring and adapter disc, the hydraulic cylinder is fixedly installed at the bottom of the top plate by screw, the annular steel ring is fixedly installed at the telescopic end of the hydraulic cylinder, and the annular steel ring is sleeved on the outer surface of the adapter disc.

[0007] Preferably, the structure of the down-pressing component further includes fastening nail and arc plate, the fastening nail passes through the inside of the adapter disc along the outer surface of the annular steel ring, the arc plate is fixedly installed at the bottom of the adapter disc, and the bottom of the arc plate is matched with the arc-shaped outer wall of the long pull rod.

[0008] Preferably, the limiting assembly is constructed by a frame seat, a special-shaped groove and an integral plate, the integral plate is welded on the outer surface of the frame seat, and the integral plate is fixedly connected between the base through screws, and the special-shaped groove is arranged on the top and front of the frame seat.

[0009] Preferably, the top of the base is provided with a through groove between two sliding grooves, the bottom of the auxiliary assembly strip is fixedly provided with a sliding cylinder, the bottom wall of the groove is embeddedly provided with a gravity sensor, and the gravity sensor is electrically connected with the hydraulic cylinder.

[0010] One side of the base is provided with a servo motor, and the servo motor is electrically connected with the hydraulic cylinder, and the output end of the servo motor is provided with a bidirectional screw rod penetrating through the through groove, and the sliding cylinder is threadedly sleeved on the outer surface of the bidirectional screw rod.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the assembly hole of the handle placed in the space of the limiting assembly is in the coaxial state with the long pull rod placed in the groove of the auxiliary assembly strip, so that the long pull rod and the handle can be combined with each other relatively quickly when the auxiliary assembly strip is linearly moved from front to back, thereby effectively saving the time spent for assembling the long pull rod.

[0013] In the utility model, the long pull rod is placed in the groove, the cooperation of the gravity sensor and the hydraulic cylinder can make the arc-shaped plate press on the upper surface of the long pull rod, thereby limiting the long pull rod in the space of the groove, and effectively avoiding the upward fluctuation of the long pull rod when the long pull rod is connected with the handle. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model;

[0015] Fig. 2 It is a structure schematic view of the down-pressing assembly of the utility model;

[0016] Fig. 3 It is a sectional structure schematic view of the auxiliary assembly strip of the utility model.

[0017] In the drawings: 1, base; 2, auxiliary assembly strip; 3, groove; 4, long pull rod; 5, vertical plate; 6, top plate; 7, down-pressing assembly; 8, sliding groove; 9, embedded plate; 10, limiting assembly; 11, hydraulic cylinder; 12, annular steel ring; 13, link disc; 14, fastening nail; 15, arc-shaped plate; 16, frame seat; 17, special-shaped groove; 18, integral plate; 19, through groove; 20, sliding cylinder; 21, gravity sensor; 22, servo motor; 23, bidirectional screw rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 An embodiment provided by the utility model:

[0020] The utility model discloses an assembly structure of biopsy forceps pull rod, including base 1, the top of base 1 places auxiliary assembly strip 2, the top of auxiliary assembly strip 2 sets up recess 3, the inside of auxiliary assembly strip 2 places long strip pull rod 4 through recess 3, the top of auxiliary assembly strip 2 one side fixed mounting vertical plate 5, the front of vertical plate 5 fixed mounting top plate 6, the bottom of top plate 6 is fixed mounting and presses down subassembly 7 through screw, the top of base 1 sets up two slide grooves 8 and arranges side by side, the both sides of auxiliary assembly strip 2 bottom fixed mounting's inlay board 9 extends into the inside of slide groove 8, the top fixed mounting of base 1's limiting component 10 is located auxiliary assembly strip 2's rear, the structure of limiting component 10 includes frame seat 16, special-shaped groove 17 and integral plate 18, integral plate 18 is welded on the outer surface of frame seat 16, and integral plate 18 is fixedly connected between screw and base 1, special-shaped groove 17 sets up at the top and the front of frame seat 16.

[0021] Special-shaped groove 17 is set as the form that is in accord with the handle of biopsy forceps, places the handle of biopsy forceps in the inside of special-shaped groove 17 in the inside of limiting component 10, and the both sides of handle are respectively pasted with the both sides inner wall of special-shaped groove 17, then effectively avoid the condition that handle appears to sway to both sides, the diameter of recess 3 is consistent with the diameter of long strip pull rod 4, and recess 3 and the lower round of special-shaped groove 17 are coaxial arrangement, places long strip pull rod 4 in the inside of recess 3 of auxiliary assembly strip 2, by driving auxiliary assembly strip 2 to the side of limiting component 10 and promoting, can make the tail end of long strip pull rod 4 gradually extend into the space inside handle, so as to carry out the assembly operation between long strip pull rod 4 and the handle of biopsy forceps, simultaneously, when promoting auxiliary assembly strip 2, two inlay boards 9 can slide along the inside of two slide grooves 8 from front to back, and it utilizes limiting component 10 and the auxiliary assembly strip 2 of inlay board 9 sliding connection in the inside of slide groove 8, can effectively save the time spent in alignment assembly when long strip pull rod 4 and handle assembly.

[0022] The structure of the pressing assembly 7 comprises a hydraulic cylinder 11, an annular steel ring 12 and a connecting disc 13, the hydraulic cylinder 11 is fixedly installed at the bottom of the top plate 6 through screws, the annular steel ring 12 is fixedly installed at the telescopic end of the hydraulic cylinder 11, and the annular steel ring 12 is sleeved on the outer surface of the connecting disc 13, the structure of the pressing assembly 7 further comprises a fastening nail 14 and an arc-shaped plate 15, the fastening nail 14 penetrates through the inside of the connecting disc 13 along the outer surface of the annular steel ring 12, the arc-shaped plate 15 is fixedly installed at the bottom of the connecting disc 13, and the bottom of the arc-shaped plate 15 is matched with the arc-shaped outer wall of the long pull rod 4, the through groove 19 opened at the top of the base 1 is located between the two sliding grooves 8, the bottom of the auxiliary assembly strip 2 is fixedly installed with a sliding cylinder 20, and the gravity sensor 21 embeddedly installed on the bottom wall of the recess 3 is electrically connected with the hydraulic cylinder 11.

[0023] When the long pull rod 4 is placed in the space inside the recess 3, the gravity sensor 21 can perceive the gravity from the long pull rod 4, then convert the gravity signal into an electric signal, and feedback to the place where the hydraulic cylinder 11 is located, so as to make the hydraulic cylinder 11 extend downward to drive the annular steel ring 12, the connecting disc 13 and the arc-shaped plate 15 to move downward until the arc-shaped plate 15 is attached to the upper surface of the long pull rod 4, at this time, the long pull rod 4 in the space inside the recess 3 can be limited, effectively avoiding the upward fluctuation when the handle is connected, in addition, since the hydraulic cylinder 11 and the top plate 6 are detachably assembled by screws, and the connecting disc 13 and the annular steel ring 12 are also detachably assembled by the fastening nail 14, then the hydraulic cylinder 11 can be conveniently replaced and maintained, and the contraction starting condition of the hydraulic cylinder 11 can be achieved by using interval time or switch pressing mode.

[0024] The servo motor 22 installed on one side of the base 1 is electrically connected with the hydraulic cylinder 11, the output end of the servo motor 22 is installed with a bidirectional screw rod 23 penetrating through the inside of the through groove 19, and the sliding cylinder 20 is threadedly sleeved on the outer surface of the bidirectional screw rod 23.

[0025] After the hydraulic cylinder 11 extends downward to a set process amount, the servo motor 22 is operated to drive the bidirectional screw rod 23 to rotate towards a set direction, and then the sliding cylinder 20 moves from front to back along the outer surface of the bidirectional screw rod 23, which serves as a power source for the auxiliary assembly strip 2 to drive the long pull rod 4 to move from front to back.

[0026] Working principle: by placing the handle of the biopsy forceps inside the limiting assembly 10 and fitting it inside the special-shaped groove 17, then placing the long pull rod 4 inside the space of the groove 3, at this time the gravity sensor 21 can sense the gravity from the long pull rod 4 and feedback the signal to the place where the hydraulic cylinder 11 is electrically connected, prompting the hydraulic cylinder 11 to extend downward, through the annular steel ring 12, the connecting disc 13 drives the arc-shaped plate 15 to move downward, so that the arc-shaped plate 15 is pressed on the upper surface of the long pull rod 4, which limits the long pull rod 4, then through the operation of the servo motor 22, prompting it to drive the bidirectional screw rod 23 to rotate towards the set direction, then the sliding cylinder 20 drives the auxiliary assembly strip 2 and the long pull rod 4 to move from front to back, so that the tail end of the long pull rod 4 is inserted into the handle.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An assembly structure for a biopsy forceps lever, comprising a base (1), characterized in that: An auxiliary assembly strip (2) is placed on the top of the base (1). A groove (3) is provided on the top of the auxiliary assembly strip (2). A long strip pull rod (4) is placed inside the auxiliary assembly strip (2) through the groove (3). A vertical plate (5) is fixedly installed on one side of the top of the auxiliary assembly strip (2). A top plate (6) is fixedly installed on the front of the vertical plate (5). A pressing component (7) is fixedly installed at the bottom of the top plate (6) by screws. Two parallel sliding grooves (8) are provided on the top of the base (1). A fitting plate (9) extending into the sliding groove (8) is fixedly installed on both sides of the bottom of the auxiliary assembly strip (2). A limiting component (10) is fixedly installed on the top of the base (1), and the limiting component (10) is located behind the auxiliary assembly strip (2).

2. The assembly structure of a biopsy forceps pull rod according to claim 1, characterized in that: The structure of the pressing component (7) includes a hydraulic cylinder (11), an annular steel ring (12) and a connecting plate (13). The hydraulic cylinder (11) is fixedly installed at the bottom of the top plate (6) by screws. The annular steel ring (12) is fixedly installed at the telescopic end of the hydraulic cylinder (11) and is sleeved on the outer surface of the connecting plate (13).

3. The assembly structure of a biopsy forceps pull rod according to claim 1, characterized in that: The structure of the pressing assembly (7) also includes a fastening nail (14) and an arc plate (15). The fastening nail (14) passes through the interior of the connecting plate (13) along the outer surface of the annular steel ring (12). The arc plate (15) is fixedly installed at the bottom of the connecting plate (13), and the bottom of the arc plate (15) fits with the arc-shaped outer wall of the long tie rod (4).

4. The assembly structure of a biopsy forceps pull rod according to claim 1, characterized in that: The limiting component (10) includes a frame base (16), a shaped groove (17) and an integral plate (18). The integral plate (18) is welded to the outer surface of the frame base (16) and is fixedly connected to the base (1) by screws. The shaped groove (17) is opened on the top and front of the frame base (16).

5. The assembly structure of a biopsy forceps pull rod according to claim 1, characterized in that: The top of the base (1) is provided with a through groove (19), and the through groove (19) is located between two sliding grooves (8). The bottom of the auxiliary assembly strip (2) is fixedly installed with a sliding cylinder (20). The bottom wall of the groove (3) is fitted with a gravity sensor (21), and the gravity sensor (21) is electrically connected to the hydraulic cylinder (11).

6. The assembly structure of a biopsy forceps pull rod according to claim 1, characterized in that: A servo motor (22) is installed on one side of the base (1), and the servo motor (22) is electrically connected to the hydraulic cylinder (11). The output end of the servo motor (22) is equipped with a bidirectional lead screw (23) that passes through the through groove (19), and the slide cylinder (20) is threaded onto the outer surface of the bidirectional lead screw (23).

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