CN211616488U

CN211616488U - Demoulding structure for bone cement

Info

Publication number: CN211616488U
Application number: CN201922067312.5U
Authority: CN
Inventors: 刘钦毅; 徐德睿; 张郡
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-10-02
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a demoulding structure for bone cement, including first stainless steel plate, first stainless steel plate includes first plate body, first lug, connecting hole, first through-hole, and the four corners department of first plate body is provided with first lug, the connecting hole has been seted up to department in the middle of the front end of first lug, and the middle department of the hole bottom of connecting hole has seted up first through-hole, the nib has been seted up to the front end of first plate body, and the rear end of first plate body is provided with second stainless steel plate, second stainless steel plate includes second plate body, second lug, second through-hole, drawing of patterns fore-set, and the four corners of second plate body is provided with the second lug. A demoulding structure for bone cement, corrosion resistant plate and electric putter and connector mutually support, realize the butt joint between two corrosion resistant plates, electric putter makes things convenient for the drawing of patterns fore-set to insert into the downthehole release shaping bone cement of die, improve drawing of patterns efficiency to a certain extent.

Description

Demoulding structure for bone cement

Technical Field

The utility model relates to a bone cement drawing of patterns equipment field, in particular to demoulding structure for bone cement.

Background

Bone cement is a material used in orthopedic surgery, which is composed of solid and liquid components, when in use, the two parts are uniformly mixed and used, and after being mixed, the two parts gradually become hard along with time and finally are completely solidified; in the bone cement molding process, the demolding process is difficult due to the high viscosity of the bone cement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a demoulding structure for bone cement can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a demoulding structure for bone cement comprises a first stainless steel plate, wherein the first stainless steel plate comprises a first plate body, a first lug, a connecting hole and a first through hole, the four corners of the first plate body are provided with the first lugs, the middle of the front end of the first lug is provided with the connecting hole, the middle of the bottom of the connecting hole is provided with the first through hole, the front end of the first plate body is provided with a mould hole, the rear end of the first plate body is provided with a second stainless steel plate, the second stainless steel plate comprises a second plate body, a second lug, a second through hole and a demoulding top column, the four corners of the second plate body are provided with the second lugs, the middle of the front end of the second lug is provided with the second through hole, the front end of the second plate body is provided with the demoulding top column, the demoulding top column is inserted into the mould hole, the rear end of the second lug is connected with an electric push rod, and the head of the electric push rod is connected with a connector, the connector is inserted into the connecting hole.

Preferably, the first convex blocks arranged at four corners of the first stainless steel plate are aligned with the second convex blocks arranged at four corners of the second stainless steel plate, the first through holes formed in the first convex blocks are communicated with the connecting holes, and threads are arranged on the hole walls of the connecting holes.

Preferably, a first through hole formed in the first protruding block and a second through hole formed in the second protruding block are arranged in alignment, a threaded hole is formed in the edge of the rear end of the second protruding block, and the second protruding block is connected with the electric push rod flange plate through threads.

Preferably, electric putter's telescopic link runs through second through-hole, first through-hole and extends in the connecting hole, the connector is connected with electric putter through the screw thread, and the connector is connected with first stainless steel plate through the screw thread.

Preferably, a plurality of groups of die holes are formed in the front end of the first plate body, the die holes are matched with the demolding ejection columns arranged on the second stainless steel plate, the die holes are in seamless butt joint with the demolding ejection columns, and silicone oil is coated on the wall of each die hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the corrosion resistant plate and the electric putter and the connector that set up, corrosion resistant plate and electric putter and connector mutually support, realize the butt joint between two corrosion resistant plates, and electric putter makes things convenient for the drawing of patterns fore-set to insert into release shaping bone cement in the nib, and nib pore wall coating silicon oil improves drawing of patterns efficiency to a certain extent.

Drawings

FIG. 1 is a schematic view of the overall structure of a bone cement mold release structure of the present invention;

FIG. 2 is a schematic view of the whole structure of the demold structure for bone cement of the present invention;

FIG. 3 is a schematic view of a first stainless steel plate of a bone cement demolding structure of the present invention;

fig. 4 is a schematic view of a second stainless steel plate of the demolding structure for bone cement of the present invention.

In the figure: 1. a first stainless steel plate; 101. a first plate body; 102. a first bump; 103. connecting holes; 104. a first through hole; 2. a die hole; 3. a second stainless steel plate; 301. a second plate body; 302. a second bump; 303. a second through hole; 304. demolding the top column; 4. an electric push rod; 5. a connecting head.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a bone cement demolding structure comprises a first stainless steel plate 1, wherein the first stainless steel plate 1 comprises a first plate body 101, a first bump 102, a connecting hole 103, a first through hole 104, the first bump 102 is arranged at the four corners of the first plate body 101, the connecting hole 103 is arranged at the middle of the front end of the first bump 102, the first through hole 104 is arranged at the middle of the bottom of the connecting hole 103, a mold hole 2 is arranged at the front end of the first plate body 101, a second stainless steel plate 3 is arranged at the rear end of the first plate body 101, the second stainless steel plate 3 comprises a second plate body 301, a second bump 302, a second through hole 303 and a demolding top column 304, the second plate 301 is provided with the second bumps 302 at the four corners, the second bump 302 is provided with the second through hole 303 at the middle of the front end, the demolding top column 304 is arranged at the front end of the second plate body 301, and the demolding top column 304 is inserted into the mold hole 2, the rear end of the second bump 302 is connected with an electric putter 4, and the telescopic rod head of the electric putter 4 is connected with a connector 5, and the connector 5 is inserted into the connecting hole 103.

The first convex blocks 102 arranged at four corners of the first stainless steel plate 1 are aligned with the second convex blocks 302 arranged at four corners of the second stainless steel plate 3, the first through holes 104 formed in the first convex blocks 102 are communicated with the connecting holes 103, and the hole walls of the connecting holes 103 are provided with threads; a first through hole 104 formed in the first bump 102 and a second through hole 303 formed in the second bump 302 are aligned, a threaded hole is formed in the rear end edge of the second bump 302, and the second bump 302 is connected with the flange plate of the electric push rod 4 through threads; the telescopic rod of the electric push rod 4 penetrates through the second through hole 303 and the first through hole 104 to extend into the connecting hole 103, the connector 5 is connected with the electric push rod 4 through threads, and the connector 5 is connected with the first stainless steel plate 1 through threads; a plurality of groups of mold holes 2 are formed in the front end of the first plate body 101, the mold holes 2 are matched with the demolding top pillars 304 arranged on the second stainless steel plate 3, the mold holes 2 are in seamless butt joint with the demolding top pillars 304, and silicone oil is coated on the hole walls of the mold holes 2.

It should be noted that, the utility model relates to a demoulding structure for bone cement, when assembling a first stainless steel plate 1, a second stainless steel plate 3, a connector 5 and an electric push rod 4, a telescopic rod of the electric push rod 4 is inserted into a second through hole 303 arranged on the second stainless steel plate 3 until a flange of the electric push rod 4 contacts the rear end of a second lug 302 arranged on the second stainless steel plate 3, the tail of the electric push rod 4 is rotated until the flange of the electric push rod 4 is provided with a screw hole aligned with the screw hole arranged on the edge of the second lug 302, a bolt is inserted into the screw hole arranged on the flange of the electric push rod 4, the bolt penetrates through the flange of the electric push rod 4 and is inserted into the second lug 302, so as to realize the connection between the electric push rod 4 and the second stainless steel plate 3, the second lug 302 is arranged on the four corners of the second stainless steel plate 3, the electric push rod 4 at the four corners of the second, the demoulding top column 304 arranged at the front end of the second stainless steel plate 3 is inserted into a mould hole 2 arranged on the first stainless steel plate 1, the telescopic rod of the electric push rod 4 is inserted into a first through hole 104 arranged on the first plate body 101, the telescopic rod of the electric push rod 4 extends out of a connecting hole 103, the threaded hole end arranged on the connecting head 5 is aligned with the telescopic rod head of the electric push rod 4, the connecting head 5 is connected with the electric push rod 4 through threads, the outer side wall of the connecting head 5 is provided with threads, in the process of rotating the connecting head 5, the connecting head 5 enters the connecting hole 103 along with the connecting hole, the connecting head 5 is connected with the first plate body 101 through threads, the whole structure can be used after being installed, silicone oil is injected into the mould hole 2 arranged on the first plate body 101, bone cement is injected into the mould hole 2, when the bone cement is injected, the demoulding top column 304 is inserted into the mould hole 2, bone cement can not flow from nib 2 and drawing of patterns fore-set 304, and bone cement solidifies in the 2 downthehole of nib, realizes bone cement shaping back, and electric putter 4 telescopic links stretch out and draw back, and electric putter 4 drives the second plate body 301 and locates the motion to first plate body 101, and the ejecting shaping bone cement of the drawing of patterns fore-set 304 that the second plate body 301 set up.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a demoulding structure for bone cement which characterized in that: the stainless steel plate comprises a first stainless steel plate (1), wherein the first stainless steel plate (1) comprises a first plate body (101), a first lug (102), a connecting hole (103) and a first through hole (104), the first lug (102) is arranged at the four corners of the first plate body (101), the connecting hole (103) is formed in the middle of the front end of the first lug (102), the first through hole (104) is formed in the middle of the bottom of the connecting hole (103), a die hole (2) is formed in the front end of the first plate body (101), a second stainless steel plate (3) is arranged at the rear end of the first plate body (101), the second stainless steel plate (3) comprises a second plate body (301), a second lug (302), a second through hole (303) and a demolding top column (304), the second lugs (302) are arranged at the four corners of the second plate body (301), the second through hole (303) is formed in the middle of the front end of the second lug (302), the front end of second plate body (301) is provided with drawing of patterns fore-set (304), and drawing of patterns fore-set (304) insert nib (2) downthehole, the rear end of second lug (302) is connected with electric putter (4), and electric putter (4) telescopic link pole head is connected with connector (5), connector (5) insert connecting hole (103) downthehole.

2. The structure for releasing a mold for bone cement according to claim 1, characterized in that: the first convex blocks (102) arranged at four corners of the first stainless steel plate (1) and the second convex blocks (302) arranged at four corners of the second stainless steel plate (3) are arranged in an aligned mode, the first through holes (104) formed in the first convex blocks (102) are communicated with the connecting holes (103), and threads are arranged on the hole walls of the connecting holes (103).

3. The structure for releasing a mold for bone cement according to claim 1, characterized in that: a first through hole (104) formed in the first bump (102) and a second through hole (303) formed in the second bump (302) are arranged in an aligned mode, a threaded hole is formed in the edge of the rear end of the second bump (302), and the second bump (302) is connected with the flange plate of the electric push rod (4) through threads.

4. The structure for releasing a mold for bone cement according to claim 1, characterized in that: the telescopic rod of electric putter (4) runs through second through-hole (303), first through-hole (104) and extends connecting hole (103) downthehole, connector (5) are connected with electric putter (4) through the screw thread, and connector (5) are connected with first stainless steel board (1) through the screw thread.

5. The structure for releasing a mold for bone cement according to claim 1, characterized in that: multiunit nib (2) have been seted up to the front end of first plate body (101), and nib (2) and drawing of patterns fore-set (304) adaptation setting that second corrosion resistant plate (3) set up, nib (2) and drawing of patterns fore-set (304) seamless butt joint, and nib (2) pore wall coating silicone oil.