Prosthetic yang-shaped demolding device

Abstract

The utility model belongs to the field of rehabilitation equipment, and particularly relates to an artificial limb yang-shaped demolding device. Comprising a gypsum female limiting seat, a tensioning mechanism and a counter-force frame, the gypsum female limiting seat and the tensioning mechanism are mounted on two opposite sides of the counter-force frame; the gypsum female mold limiting seat is used for fixing a gypsum female mold, and the tensioning mechanism is connected with an artificial limb connector of the receiving cavity through a connecting buckle and applies pulling force for disengaging from the gypsum female mold to the receiving cavity; separation of a receiving cavity and a gypsum female mold is completed in a pulling mode, the receiving cavity is connected with a tensioning mechanism through an artificial limb connector, a supporting rod in the gypsum female mold is clamped by a bench clamp, the tensioning mechanism and the bench clamp are located at the two ends of a counter-force frame, the receiving cavity is pulled out of the gypsum female mold when the tensioning mechanism applies force, and the whole process is clean, sanitary, time-saving and labor-saving. Safety, rapidness and high yield are realized.

Description

Technical Field

[0001] The utility model belongs to the field of rehabilitation equipment, and in particular relates to a male prosthetic demoulding device. Background Art

[0002] The existing demoulding method is that the technician holds the formed positive mold with one hand and uses a plaster hammer with the other hand to knock the prosthetic positive mold by gravity. During the operation, the inner wall and lining of the receiving cavity are easily damaged. Not only is it unhygienic, but it also hits the hands and is unsafe. Because the formed positive mold is wasted and damaged, the rework rate is high, and the manpower, material resources and time costs are high, which delays the project time. Utility Model Content

[0003] The utility model aims to solve the problem that: the current demoulding of the male prosthesis adopts the method of chiseling away the plaster inside the receiving cavity little by little, which has the problems of low efficiency, plaster splashing during the chiseling away and low yield of the receiving cavity.

[0004] The utility model provides the following technical scheme: a prosthesis positive demoulding device, comprising a plaster negative limiting seat, a tensioning mechanism and a reaction frame; the plaster negative limiting seat and the tensioning mechanism are installed on opposite sides of the reaction frame; the plaster negative limiting seat is used to fix the plaster negative mold, and the tensioning mechanism is connected to the prosthesis connecting head of the receiving cavity through a connecting buckle to apply a pulling force to the receiving cavity to disengage from the plaster negative mold.

[0005] Furthermore, the connecting buckle includes a sleeve and a screw, the sleeve is connected to the tensioning mechanism, the screw is passed through the wall of the sleeve, the sleeve is used to be sleeved on the prosthetic connector, the screw is aligned with the threaded connection hole on the prosthetic connector, and the connecting buckle is connected to the prosthetic connector by screwing the screw into the threaded connection hole.

[0006] Furthermore, the tensioning mechanism includes a wheel frame, a rope pulley, a driven gear, a driving gear, a ratchet, a ratchet, a crank and a pull rope; the wheel frame is installed on the reaction frame, the rope pulley and the driven gear are installed on the wheel frame, the driving gear and the ratchet are coaxially installed on the wheel frame, the driving gear is meshed with the driven gear, the crank is connected to the driving gear, the ratchet is installed on the wheel frame and connected to the torsion spring, the ratchet is meshed with the ratchet to form a one-way locking mechanism, the pull rope is wound on the rope pulley, and the free end of the pull rope is connected to the connecting buckle.

[0007] Furthermore, the gypsum negative limit seat includes a door-type bracket, a fixed clamp block, a sliding clamp block, a screw, a pedestal and a handle; the pedestal is installed on the reaction frame; one leg of the door-type bracket is hinged to the pedestal, and the other leg is connected to the pedestal by a pin; the screw vertically passes through the cross bar of the door-type bracket and is threadedly engaged with the screw hole on the cross bar; the fixed clamp block is upright on the pedestal, the sliding clamp block is inverted on the screw, the sliding clamp block is connected to the screw by a rotating joint, and the sliding clamp block slides with the guide rail on the leg of the door-type bracket; the handle is connected to the screw to push the screw to rotate.

[0008] Furthermore, a fixed pulley is installed on the reaction frame, and the pull rope led out from the tensioning mechanism passes through the fixed pulley and is connected to the connecting buckle.

[0009] Furthermore, the drawstring is connected to a draw rod in a sleeve of the connecting buckle.

[0010] Furthermore, the handle can be slidably inserted into the hole of the screw rod, and anti-slip bosses are arranged at both ends of the handle.

[0011] Furthermore, the reaction frame includes a base frame, a front frame and a rear frame, the front frame and the rear frame are vertically fixed to the front and rear ends of the base frame, the gypsum negative limit seat is fixed to the front frame, and the tensioning mechanism is fixed to the rear frame.

[0012] Furthermore, a first diagonal brace is connected between the front frame and the base frame, and a second diagonal brace is connected between the rear frame and the base frame.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] The utility model provides a prosthesis positive mold stripper, which separates the receiving cavity from the plaster negative mold by pulling. The receiving cavity is connected to the tensioning mechanism through the prosthesis connector. The support rod in the plaster negative mold is clamped by a bench vise. The tensioning mechanism and the bench vise are located at both ends of the reaction frame. When the tensioning mechanism applies force, the receiving cavity is pulled out from the plaster negative mold. The whole process is clean and sanitary, time-saving and labor-saving, safe and fast, and has a high yield rate. The connecting buckle on the tensioning mechanism is adapted to the prosthesis connector. The connecting buckle is connected and locked with the prosthesis connector to transmit the tension without damaging the prosthesis connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 is a schematic diagram of the structure of the connecting buckle;

[0017] Figure 3 It is a structural schematic diagram of the tensioning mechanism;

[0018] Figure 4 It is the transmission schematic diagram of the tensioning mechanism;

[0019] Figure 5 It is a structural schematic diagram of a gypsum negative limit seat;

[0020] Figure 6 It is a schematic diagram of the cooperation between the prosthetic connector and the connecting buckle;

[0021] Figure 7 This is a usage state diagram of the utility model.

[0022] In the figure: 1-gypsum negative limit seat; 1.1-door bracket; 1.2-fixed clamping block; 1.3-sliding clamping block; 1.4-screw; 1.5-base; 1.6-handle; 1.7-latch pin; 1.8-guide rail; 1.9-anti-slip boss; 2-tensioning mechanism; 2.1-wheel frame; 2.2-ropes; 2.3-driven gear; 2.4-driving gear; 2.5-ratchet; 2.6-ratchet; 2.7-crank; 2.8-pull rope; 3-reaction frame; 3.1-base frame; 3.2-front frame; 3.3-rear frame; 3.4-first diagonal brace; 3.5-second diagonal brace; 4-connecting buckle; 4.1-sleeve; 4.2-screw; 4.3-pull rod; 5-fixed pulley; 6-gypsum negative; 7-receiving cavity; 8-prosthesis connector. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] like Figure 1 , Figure 7 As shown: a prosthesis positive demoulding device, including a plaster negative limit seat 1, a tensioning mechanism 2 and a reaction frame 3; the plaster negative limit seat 1 and the tensioning mechanism 2 are installed on opposite sides of the reaction frame 3; the plaster negative limit seat 1 is used to fix the plaster negative 6, and the tensioning mechanism 2 is connected to the prosthesis connecting head 8 of the receiving cavity 7 through the connecting buckle 4 to apply a pulling force to the receiving cavity 7 to disengage from the plaster negative 6.

[0025] like Figure 2 , Figure 6 As shown, the connecting buckle 4 includes a sleeve 4.1 and a screw 4.2. The sleeve 4.1 is a cylinder, and the sleeve 4.1 is connected to the tensioning mechanism 2. The screw 4.2 is inserted into the sleeve 4.1 through the wall of the sleeve 4.1. The screw 4.2 is inserted radially from the sleeve 4.1. The sleeve 4.1 is used to be sleeved on the prosthesis connector 8. The screw 4.2 is aligned with the threaded connection hole on the prosthesis connector 8. The connecting buckle 4 is screwed into the threaded connection hole to connect with the prosthesis connector 8. The connecting buckle 4 is connected to the prosthesis connector 8 by using the threaded connection hole on the prosthesis connector 8 for fixing the prosthesis, so as to realize the transmission of the tension between the connecting buckle 4 and the prosthesis connector 8.

[0026] The drawstring 2.8 is connected to the drawbar 4.3 in the sleeve 4.1 of the connecting buckle 4.

[0027] like Figure 3 , Figure 4As shown: the tensioning mechanism 2 includes a wheel frame 2.1, a rope pulley 2.2, a driven gear 2.3, a driving gear 2.4, a ratchet 2.5, a ratchet 2.6, a crank 2.7 and a pull rope 2.8; the wheel frame 2.1 is installed on the reaction frame 3, the wheel frame 2.1 is connected to the reaction frame 3 by bolts, the rope pulley 2.2 and the driven gear 2.3 are installed on the wheel frame 2.1, the driving gear 2.4 and the ratchet 2.5 are coaxially installed on the wheel frame 2.1, the driving gear 2.4 is meshed with the driven gear 2.3, the crank 2.7 is connected to the driving gear 2.4, the pull rope 2.8 is wound on the rope pulley 2.2, and the free end of the pull rope 2.8 is connected to the connecting buckle 4; the crank 2.7 drives the driving gear 2.4 to rotate, the driving gear 2.4 transmits the torque to the driven gear 2.3, the rope pulley 2.2 rotates with the driven gear 2.3 to retract the pull rope 2.8, and the pull rope 2.8 pulls the connecting buckle 4. The ratchet 2.6 is mounted on the wheel frame 2.1 and connected to a torsion spring, which pushes the ratchet 2.6 to engage with the ratchet wheel 2.5 to form a one-way locking mechanism to prevent the rope wheel 2.2 from reversing. When the pull rope 2.8 is unrolled from the rope wheel 2.2, the ratchet 2.6 is manually opened to release the one-way locking of the rope wheel 2.2.

[0028] like Figure 5 As shown: the gypsum negative limit seat 1 includes a door-type bracket 1.1, a fixed clamp block 1.2, a sliding clamp block 1.3, a screw rod 1.4, a pedestal 1.5 and a handle 1.6; the pedestal 1.5 is installed on the reaction frame 3, and the pedestal 1.5 is connected to the reaction frame 3 by bolts; one leg of the door-type bracket 1.1 is hinged to the pedestal 1.5, and the other leg is connected to the pedestal 1.5 by a latch 1.7, and after the latch 1.7 is pulled out, the door-type bracket 1.1 can be opened; the screw rod 1.4 vertically passes through the crossbar of the door-type bracket 1.1, and is screwed with the screw hole on the crossbar; The fixed clamp 1.2 is upright on the pedestal 1.5, the sliding clamp 1.3 is inverted on the screw 1.4, the sliding clamp 1.3 and the screw 1.4 are connected by a rotating joint, and the sliding clamp 1.3 slides with the guide rail 1.8 on the leg of the door-type bracket 1.1; the handle 1.6 is connected to the screw 1.4 to push the screw 1.4 to rotate; when the screw 1.4 rotates, the sliding clamp 1.3 is pushed to move toward the fixed clamp 1.2 with the door-type bracket 1.1 as the reaction force support, and the sliding clamp 1.3 and the fixed clamp 1.2 cooperate to clamp the support rod of the gypsum negative type 6.

[0029] The handle 1.6 can be slidably inserted into the hole of the screw rod 1.4, and anti-drop bosses 1.9 are arranged at both ends of the handle 1.6; when the handle 1.6 pushes the screw rod 1.4, it can slide forward and backward according to the rotation angle.

[0030] like Figure 3 , Figure 5As shown: the reaction frame 3 includes a base frame 3.1, a front frame 3.2 and a rear frame 3.3, the front frame 3.2 and the rear frame 3.3 are vertically fixed to the front and rear ends of the base frame 3.1, the gypsum negative limit seat 1 is fixed on the front frame 3.2, and the tensioning mechanism 2 is fixed on the rear frame 3.3; the gypsum negative limit seat 1 and the tensioning mechanism 2 are lifted to an adult standing operating height through the front frame 3.2 and the rear frame 3.3, and the operation is comfortable.

[0031] The tensioning mechanism 2 is installed on the vertical surface of the rear frame 3.3, and a fixed pulley 5 is installed on the top surface of the rear frame 3.3. The pull rope 2.8 led out from the tensioning mechanism 2 passes through the fixed pulley 5 and then connects to the connecting buckle 4.

[0032] A first diagonal brace 3.4 is connected between the front frame 3.2 and the bottom frame 3.1, and a second diagonal brace 3.5 is connected between the rear frame 3.3 and the bottom frame 3.1.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A male prosthetic demoulding device, Features: The invention comprises a plaster negative limiting seat (1), a tensioning mechanism (2) and a reaction frame (3); the plaster negative limiting seat (1) and the tensioning mechanism (2) are installed on opposite sides of the reaction frame (3); the plaster negative limiting seat (1) is used to fix the plaster negative (6); the tensioning mechanism (2) is connected to a prosthesis connecting head (8) of a receiving cavity (7) through a connecting buckle (4) to apply a pulling force to the receiving cavity (7) to disengage from the plaster negative (6).

2. A prosthetic male demoulding device according to claim 1, Features: The connecting buckle (4) comprises a sleeve (4.1) and a screw (4.2); the sleeve (4.1) is connected to the tensioning mechanism (2); the screw (4.2) is inserted into the wall of the sleeve (4.1); the sleeve (4.1) is used to be sleeved on the prosthetic connecting head (8); the screw (4.2) is aligned with the threaded connecting hole on the prosthetic connecting head (8); the connecting buckle (4) is connected to the prosthetic connecting head (8) by screwing the screw (4.2) into the threaded connecting hole.

3. A prosthetic male demoulding device according to claim 2, Features: The tensioning mechanism (2) comprises a wheel frame (2.1), a rope wheel (2.2), a driven gear (2.3), a driving gear (2.4), a ratchet wheel (2.5), ratchet teeth (2.6), a crank handle (2.7) and a pull rope (2.8); the wheel frame (2.1) is mounted on the reaction frame (3), the rope wheel (2.2) and the driven gear (2.3) are mounted on the wheel frame (2.1), the driving gear (2.4) and the ratchet wheel (2.5) are mounted on the wheel frame (2.1), and the driving gear (2.4) and the ratchet wheel (2.5) are mounted on the wheel frame (2.1). The driving gear (2.4) is coaxially mounted on the wheel frame (2.1), the driving gear (2.4) is meshed with the driven gear (2.3), the crank (2.7) is connected to the driving gear (2.4), the ratchet (2.6) is mounted on the wheel frame (2.1) and connected to the torsion spring, the ratchet (2.6) is meshed with the ratchet wheel (2.5) to form a one-way locking mechanism, the pull rope (2.8) is wound on the rope wheel (2.2), and the free end of the pull rope (2.8) is connected to the connecting buckle (4).

4. A prosthetic male demoulding device according to claim 2, Features: The gypsum negative limit seat (1) comprises a door-shaped bracket (1.1), a fixed clamping block (1.2), a sliding clamping block (1.3), a screw rod (1.4), a pedestal (1.5) and a handle (1.6); the pedestal (1.5) is installed on the reaction frame (3); one leg of the door-shaped bracket (1.1) is hinged to the pedestal (1.5), and the other leg is connected to the pedestal (1.5) via a latch (1.7); the screw rod (1.4) vertically passes through the door-shaped bracket (1.1) The cross bar (1.1) is screwed into the screw hole on the cross bar; the fixed clamp block (1.2) is placed upright on the pedestal (1.5), the sliding clamp block (1.3) is placed inverted on the screw rod (1.4), the sliding clamp block (1.3) and the screw rod (1.4) are connected through a rotating joint, and the sliding clamp block (1.3) and the guide rail (1.8) on the leg of the door-shaped bracket (1.1) are slidably matched; the handle (1.6) is connected to the screw rod (1.4) to push the screw rod (1.4) to rotate.

5. A prosthetic male demoulding device according to claim 3, Features: A fixed pulley (5) is installed on the reaction frame (3), and a pull rope (2.8) drawn from the tensioning mechanism (2) passes through the fixed pulley (5) and is connected to the connecting buckle (4).

6. A prosthetic male demoulding device according to claim 3, Features: The drawstring (2.8) is connected to a draw rod (4.3) in a sleeve (4.1) of the connecting buckle (4).

7. A prosthetic male demoulding device according to claim 4, Features: The handle (1.6) can be slidably inserted into the hole of the screw rod (1.4), and anti-slip bosses (1.9) are arranged at both ends of the handle (1.6).

8. A prosthetic male demoulding device according to claim 1, Features: The reaction frame (3) comprises a base frame (3.1), a front frame (3.2) and a rear frame (3.3); the front frame (3.2) and the rear frame (3.3) are vertically fixed to the front and rear ends of the base frame (3.1); the gypsum negative limit seat (1) is fixed to the front frame (3.2); and the tensioning mechanism (2) is fixed to the rear frame (3.3).

9. A prosthetic male demoulding device according to claim 8, Features: A first diagonal brace (3.4) is connected between the front stand (3.2) and the bottom frame (3.1), and a second diagonal brace (3.5) is connected between the rear stand (3.3) and the bottom frame (3.1).

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