CN215129768U - Sealing assembly for puncture outfit and puncture outfit - Google Patents
Sealing assembly for puncture outfit and puncture outfit Download PDFInfo
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- CN215129768U CN215129768U CN202121141567.2U CN202121141567U CN215129768U CN 215129768 U CN215129768 U CN 215129768U CN 202121141567 U CN202121141567 U CN 202121141567U CN 215129768 U CN215129768 U CN 215129768U
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- upper cover
- lower cover
- positioning
- puncture
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Abstract
The utility model discloses a seal assembly and puncture ware for puncture ware. Seal assembly for puncture ware, including upper cover, lower cover and sealed main part, the upper cover with the lower cover is connected in order to form and is used for the holding the inner chamber of sealed main part, the upper cover have be used for with the first connecting portion that the lower cover is connected, be equipped with a plurality of mounting holes on the first connecting portion, it is a plurality of the mounting hole is followed the circumference of first connecting portion distributes, the lower cover have be used for with the second connecting portion that the upper cover is connected, be equipped with a plurality of first locating posts on the second connecting portion, it is a plurality of first locating post is followed the circumference of second connecting portion distributes in order to with a plurality of the mounting hole one-to-one, arbitrary first locating post with correspond mounting hole interference fit. The scheme can improve the production efficiency, reduce the production cost and improve the product percent of pass.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a seal assembly and puncture ware for puncture ware.
Background
The puncture outfit is a surgical instrument for establishing an access into the abdominal cavity, and comprises a puncture core and a puncture cannula. During operation, a doctor usually opens a small opening on the abdomen of a patient, and then moves the puncture core of the puncture outfit downwards while aligning the puncture core with the small opening to rotate in a reciprocating manner, so that one end of the puncture cannula is driven to enter the abdomen of the patient, after the puncture is finished, the puncture core is pulled out of the puncture cannula, and the puncture cannula forms a passage for other surgical instruments to enter and exit. In order to enlarge the space of the abdominal cavity and increase the distance between tissues for the operation, after the puncture is completed, it is usually necessary to inject gas into the abdominal cavity through the passage formed by the puncture cannula.
The traditional sealing assembly for the puncture outfit comprises an upper cover, a lower cover fixedly connected with the upper cover and a component arranged between the upper cover and the lower cover and used for sealing when a surgical instrument penetrates into a puncture cannula, wherein the upper cover and the lower cover form an accommodating cavity, and the sealing component is arranged in the accommodating cavity. In the prior art, the upper cover and the lower cover of the sealing assembly are assembled and connected in an ultrasonic welding mode, and the firmness and reliability of connection of the upper cover and the lower cover can be ensured by ultrasonic welding. However, the ultrasonic welding equipment is very expensive, and needs a professional to operate the equipment, and in addition, the phenomena of glue overflow, dislocation of the upper cover and the lower cover and the like are easy to occur in the ultrasonic welding.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a seal assembly and puncture ware for puncture ware, its packaging efficiency that has improved upper cover and lower cover under the prerequisite that satisfies the gas tightness, reduced manufacturing cost, simultaneously, the above-mentioned problem that appears when still having overcome traditional ultrasonic bonding improves the product percent of pass.
The embodiment of the application discloses: the utility model provides a seal assembly for puncture ware, includes upper cover, lower cover and sealed main part, the upper cover with the lower cover is connected in order to form and is used for the holding sealed main part's inner chamber, the upper cover have be used for with the first connecting portion that the lower cover is connected, be equipped with a plurality of mounting holes on the first connecting portion, it is a plurality of the mounting hole is followed the circumference of first connecting portion distributes, the lower cover have be used for with the second connecting portion that the upper cover is connected, be equipped with a plurality of first reference columns on the second connecting portion, it is a plurality of first reference column is followed the circumference of second connecting portion distributes in order to be a plurality of the mounting hole one-to-one, arbitrary first reference column with corresponding mounting hole interference fit.
Specifically, still be equipped with a plurality of mounting grooves on the first connecting portion of upper cover, it is a plurality of the mounting groove is followed the circumference of first connecting portion distributes, still be equipped with a plurality of location ribs on the second connecting portion of lower cover, it is a plurality of the location rib is followed the circumference of second connecting portion distributes in order to be connected with a plurality of the mounting groove one-to-one.
Specifically, two adjacent be equipped with one between the mounting hole the mounting groove, two adjacent be equipped with one between the first locating column the location rib.
Specifically, the cross section of the first positioning column is circular, the cross section of the mounting hole is hexagonal, and the diameter of an inscribed circle of the hexagon is smaller than or equal to the diameter of the circle.
Specifically, the end part of one end, used for extending into the mounting hole, of the first positioning column is provided with a chamfer.
Specifically, the sealing main body comprises a supporting sheet fixing upper cover, a supporting sheet, a flexible sealing ring and a supporting sheet fixing lower cover which are sequentially arranged along the direction from the upper cover to the lower cover, wherein a plurality of second positioning columns are arranged on the supporting sheet fixing upper cover, a plurality of first positioning holes are formed in the supporting sheet, a plurality of second positioning holes are formed in the flexible sealing ring, a plurality of third positioning holes are formed in the supporting sheet fixing lower cover, and the second positioning columns sequentially penetrate into the first positioning holes, the second positioning holes and the third positioning holes.
The embodiment of the application also discloses: a puncture instrument comprising the sealing assembly for puncture instrument according to the present embodiment.
The utility model discloses following beneficial effect has at least: the seal assembly for puncture ware of this embodiment is when the equipment, earlier with sealed main part installation on the upper cover, then adopt the press to close upper cover and lower cover after the mounting hole of upper cover and the first reference column one-to-one of lower cover, alright realize the fixed connection of upper cover and lower cover. This scheme has realized the fixed connection of upper cover and lower cover through interference fit's mounting hole and first reference column, compare with traditional ultrasonic bonding, this scheme can greatly save the cost of equipment, and the operation of equipment can reduce to personnel's experience requirement, therefore, also reduced puncture utensils seal assembly's manual work and time spent cost, in addition, this scheme's puncture utensils seal assembly, the fracture phenomenon that appears when ultrasonic bonding can not appear after its upper cover and lower cover pressfitting, therefore, its airtight has obtained the guarantee, the qualification rate of product production has been improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, 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 creative efforts.
FIG. 1 is an exploded view of a seal assembly for a puncture instrument according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper cover in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the lower cover in the embodiment of the present invention.
Reference numerals of the above figures: 1. an upper cover; 11. mounting holes; 12. mounting grooves; 2. a lower cover; 21. a first positioning post; 22. positioning the ribs; 3. the supporting sheet fixes the upper cover; 31. a second positioning column; 4. a support sheet; 41. a first positioning hole; 5. a flexible sealing ring; 51. a second positioning hole; 6. the supporting sheet fixes the lower cover; 61. and a third positioning hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the sealing assembly for a puncture instrument according to the present embodiment includes an upper cap 1, a lower cap 2, and a sealing body. Wherein, the upper cover 1 and the lower cover 2 can be matched and connected to form an inner cavity for accommodating the sealing main body. The upper cover 1 has a first connecting portion for connecting with the lower cover 2, the first connecting portion is provided with a plurality of mounting holes 11, the plurality of mounting holes 11 are distributed at intervals along the circumferential direction of the first connecting portion, preferably, the plurality of mounting holes 11 are uniformly distributed along the circumferential direction of the first connecting portion, so as to improve the stability and reliability of the connection of the upper cover 1 and the lower cover 2. The lower cover 2 is provided with a second connecting part used for being connected with the upper cover 1, the second connecting part is provided with a plurality of first positioning columns 21, the plurality of first positioning columns 21 are distributed along the circumferential direction of the second connecting part so as to be in one-to-one correspondence with the plurality of mounting holes 11 on the upper cover 1, and any one of the first positioning columns 21 is in interference fit with the corresponding mounting hole 11.
Adopt above-mentioned structure, the seal assembly for puncture ware of this embodiment is when the equipment, earlier with sealed main part installation on upper cover 1, then adopt the press with upper cover 1 and 2 pressfittings of lower cover after aligning the mounting hole 11 of upper cover 1 and the first locating column 21 of lower cover 2 one by one, alright realize the fixed connection of upper cover 1 and lower cover 2. This scheme has realized the fixed connection of upper cover 1 and lower cover 2 through interference fit's mounting hole 11 and first reference column 21, compare with traditional ultrasonic bonding, this scheme can greatly save the cost of equipment, and the experience requirement of the operation of equipment to personnel can reduce, therefore, also reduced puncture utensils seal assembly's manual work and time spent cost, in addition, this scheme's seal assembly for puncture utensils, the fracture phenomenon that appears when ultrasonic bonding can not appear after its upper cover 1 and the 2 pressfittings of lower cover, therefore, its airtight has obtained the guarantee, the qualification rate of product production has been improved.
Specifically, as shown in fig. 2 and 3, the upper cover 1 of the present embodiment may further have a plurality of mounting grooves 12 on the first connecting portion, and the mounting grooves 12 are distributed along the circumferential direction of the first connecting portion; correspondingly, a plurality of positioning ribs 22 can be further arranged on the second connecting portion of the lower cover 2, and the plurality of positioning ribs 22 are distributed along the circumferential direction of the second connecting portion so as to be connected with the plurality of mounting grooves 12 in a one-to-one correspondence manner. Preferably, a mounting groove 12 is disposed between two adjacent mounting holes 11, and a positioning rib 22 is disposed between two adjacent first positioning posts 21. By adopting the scheme, the installation groove 12 is matched with the positioning ribs 22, so that the connection stability and the connection tightness of the upper cover 1 and the lower cover 2 can be improved.
Specifically, as shown in fig. 2 and 3, the first positioning column 21 may have a circular cross section, in other words, the first positioning column 21 has a cylindrical shape. The cross section of the mounting hole 11 is hexagonal, and the diameter of the inscribed circle of the hexagon is smaller than or equal to the diameter of the circle, so that the first positioning column 21 can be in interference fit with the mounting hole 11. Adopt above-mentioned scheme, through regular hexagon's mounting hole 11 and the cooperation of columniform first reference column 21, can be so that to be connected more firm, difficult not hard up between upper cover 1 and the lower cover 2. Further, the end of the first positioning column 21, which is used for extending into the mounting hole 11, is provided with a chamfer, so that the first positioning column 21 can be conveniently inserted into the mounting hole 11.
Specifically, as shown in fig. 1, the seal main body of the present embodiment includes a support sheet fixing upper cover 3, a support sheet 4, a flexible seal ring 5, and a support sheet fixing lower cover 6, which are sequentially arranged in a direction from the upper cover 1 to the lower cover 2. The supporting sheet fixing upper cover 3 is provided with a plurality of second positioning columns 31, the supporting sheet 4 is provided with a plurality of first positioning holes 41, the flexible sealing ring 5 is provided with a plurality of second positioning holes 51, the supporting sheet fixing lower cover 6 is provided with a plurality of third positioning holes 61, the second positioning columns 31, the first positioning holes 41, the second positioning holes 51 and the third positioning holes 61 are the same in number and correspond in position, and the plurality of second positioning columns 31 sequentially penetrate through the plurality of first positioning holes 41, the second positioning holes 51 and the plurality of third positioning holes 61 to realize connection and positioning of a plurality of parts of the sealing main body. The principle of operation of the seal body of the present embodiment is substantially identical to that of the seal body of the prior art seal assembly.
The puncture device of the present embodiment includes the seal assembly for puncture device according to the present embodiment, and the lower cap 2 of the seal assembly for puncture device can be connected to the cannula assembly of the puncture device.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. The utility model provides a seal assembly for puncture ware, its characterized in that, includes upper cover, lower cover and sealed main part, the upper cover with the lower cover is connected in order to form and is used for the holding sealed main part's inner chamber, the upper cover have be used for with the first connecting portion that the lower cover is connected, be equipped with a plurality of mounting holes on the first connecting portion, it is a plurality of the mounting hole is followed the circumference of first connecting portion distributes, the lower cover have be used for with the second connecting portion that the upper cover is connected, be equipped with a plurality of first locating posts on the second connecting portion, it is a plurality of first locating post is followed the circumference of second connecting portion distributes in order to be a plurality of the mounting hole one-to-one, arbitrary first locating post with correspond mounting hole interference fit.
2. The sealing assembly for the puncture outfit according to claim 1, wherein a plurality of mounting grooves are further formed on the first connecting portion of the upper cover, the mounting grooves are distributed along the circumferential direction of the first connecting portion, a plurality of positioning ribs are further formed on the second connecting portion of the lower cover, and the positioning ribs are distributed along the circumferential direction of the second connecting portion and are connected with the mounting grooves in a one-to-one correspondence manner.
3. The seal assembly for puncture instruments according to claim 2, wherein one of the mounting grooves is disposed between two adjacent mounting holes, and one of the positioning ribs is disposed between two adjacent first positioning posts.
4. The seal assembly for a puncture instrument according to claim 1, wherein the first positioning column has a circular cross section, the mounting hole has a hexagonal cross section, and a diameter of an inscribed circle of the hexagonal cross section is smaller than or equal to a diameter of the circular cross section.
5. The seal assembly for a puncture instrument according to claim 1, wherein an end of the first positioning post for projecting into the mounting hole is chamfered.
6. The seal assembly for puncture instruments according to claim 1, wherein the seal body includes a support sheet fixing upper cover, a support sheet, a flexible seal ring and a support sheet fixing lower cover, which are sequentially disposed along a direction from the upper cover to the lower cover, the support sheet fixing upper cover is provided with a plurality of second positioning posts, the support sheet is provided with a plurality of first positioning holes, the flexible seal ring is provided with a plurality of second positioning holes, the support sheet fixing lower cover is provided with a plurality of third positioning holes, and the plurality of second positioning posts sequentially penetrate into the plurality of first positioning holes, the plurality of second positioning holes and the plurality of third positioning holes.
7. A puncture instrument comprising the puncture instrument sealing assembly according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121141567.2U CN215129768U (en) | 2021-05-26 | 2021-05-26 | Sealing assembly for puncture outfit and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121141567.2U CN215129768U (en) | 2021-05-26 | 2021-05-26 | Sealing assembly for puncture outfit and puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129768U true CN215129768U (en) | 2021-12-14 |
Family
ID=79371932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121141567.2U Active CN215129768U (en) | 2021-05-26 | 2021-05-26 | Sealing assembly for puncture outfit and puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129768U (en) |
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2021
- 2021-05-26 CN CN202121141567.2U patent/CN215129768U/en active Active
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