CN212829219U - Suppository filling device with novel seal structure - Google Patents

Abstract

The utility model belongs to the technical field of filling equipment, concretely relates to bougie filling device with novel seal structure, including the pump body, seted up the injection chamber in the pump body, be provided with the spacer subassembly that is used for installing the sealing washer in the injection chamber, the activity is provided with the injection pole in the spacer subassembly, is provided with a plurality of second sealing washer between injection pole and the spacer subassembly, and the second sealing washer inlays and establishes in the inner week of spacer, the utility model discloses a design of spacer subassembly for the injection pole is reciprocating motion from top to bottom in the spacer subassembly, consequently can not cause wearing and tearing to the pump body, prolongs the life of the pump body, thereby reduce cost.

Description

Suppository filling device with novel seal structure

Technical Field

The utility model relates to a filling equipment technical field refers in particular to a bougie filling device with novel seal structure.

Background

At present, the suppository which is often used by people for treating diseases is an external medicine which is solid at normal temperature and can be quickly softened at body temperature, and in suppository type medicine production enterprises, people fill the suppository which is pasty and liquid at a certain temperature into a packaging strip for packaging the suppository by utilizing the principle that the suppository is in different states at different temperatures.

Like a disclose a traditional chinese medicine filling pump body of novel CN209684048U in utility, including the pump body, seted up main feed channel and a plurality of passageway of pouring in the pump body, each passageway of pouring in all includes a material chamber and an injection chamber of inhaling, inhale the horizontal below that sets up at main feed channel in material chamber, inhale the vertical being provided with in common one side of material chamber and main feed channel the injection chamber, main feed channel is linked together through injection chamber and inhaling the material chamber, through setting up main feed channel in the top, consequently the medicine can be because the reason of self gravity, and the downflow can very easy just enter into and inhale the material intracavity after the extraction through the piston, has the convenient advantage of extraction, has avoided because the medicament glues thickly and causes the hard or problem of jam of extraction.

Wherein the injection pole is in the course of the work, often needs reciprocating motion from top to bottom, and the sealing washer cover is established in the periphery of injecting the pole, and the sealing washer is very easy wearing and tearing and damage, and this sealing washer still can cause wearing and tearing to the inner wall of valve body, influences the structure of valve body, and life is short.

Disclosure of Invention

The utility model aims at providing a bougie filling device with novel seal structure through the spacer subassembly, solves the problem that causes life weak point because wearing and tearing.

The purpose of the utility model is realized like this: the utility model provides a bougie filling device with novel seal structure, includes the pump body, has seted up the injection chamber in the pump body, be provided with the spacer assembly that is used for installing the sealing washer in the injection chamber, the activity is provided with the injection pole in the spacer assembly, is provided with a plurality of second sealing washer between injection pole and the spacer assembly, and the second sealing washer inlays to be established at the inner week of spacer.

Preferably, the periphery of the spacer assembly is formed with a first annular groove for mounting a first seal ring, and the first seal ring is located between the inner wall of the pump body and the first annular groove.

Preferably, the inner periphery of the spacer assembly is formed with a second annular groove for mounting a second seal ring.

Preferably, the spacer assembly comprises a first spacer, a second spacer, a third spacer and a fourth spacer which are sequentially arranged in the injection cavity, an upper pressing sheet is installed at the upper port of the injection cavity, a lower pressing sheet is installed at the lower port of the injection cavity, and the lower pressing sheet and the upper pressing sheet respectively abut against the upper end face and the lower end face of the spacer assembly and are fixed on the pump body through fasteners.

Preferably, the second sealing ring is arranged between the connection of two adjacent spacers.

Preferably, the number of the first sealing rings is three, and the number of the second sealing rings is four.

Preferably, the periphery of the injection molding rod is formed with a concave feeding runner, and the feeding runner is communicated with the main feeding runner and the material suction cavity.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a design of spacer subassembly for the injection pole is reciprocating motion from top to bottom in the spacer subassembly, consequently can not cause wearing and tearing to the pump body, prolongs the life of the pump body, thereby reduce cost.

2. The utility model provides a first sealing washer establishes in the periphery of spacer subassembly through first annular groove cover, can fix the position of first sealing washer, and first sealing washer is located between the inner wall of the pump body and the first annular groove, has good sealed effect.

3. The utility model provides a second sealing washer inlays and establishes the interior week at the spacer, consequently when injecting pole reciprocating motion from top to bottom, can not drive the second sealing washer and remove, the second sealing washer just can not continuously cause wearing and tearing like this, only when injecting the place that the pole set up through this second sealing washer, just can touch, and consequently the wearing and tearing volume is very little, need not to change the sealing washer every day, long service life, reduce cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a sectional view of the structure at a-a in fig. 2.

Fig. 4 is a structural sectional view of a single injection rod.

Reference numerals: 1-a pump body; 2-an injection cavity; 3-spacer assembly; 4-a first sealing ring; 5-an injection rod; 6-a second sealing ring; 7-a first annular groove; 8-a second annular groove; 9-a first spacer sleeve; 10-a second spacer sleeve; 11-a third spacer sleeve; 12-a fourth spacer sleeve; 13-tabletting; 14-tabletting; 15-a feed runner; 16-a main feed channel; 17-suction cavity.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 4.

A suppository filling device with a novel sealing structure.

As shown in fig. 1, including the pump body 1, combine fig. 3, seted up injection chamber 2 in the pump body 1, injection chamber 2 is built-in to be equipped with the injection pole that is used for injecting the medicament, specifically sees fig. 3, be provided with spacer assembly 3 that is used for installing the sealing washer in injection chamber 2, the periphery cover of spacer assembly 3 is equipped with a plurality of first sealing washer 4, and first sealing washer 4 is used for sealing up the gap between spacer assembly 3 and the pump body 1, prevents that the medicament from flowing out in this gap.

Referring to fig. 3 in particular, an injection rod 5 is movably arranged in a spacer assembly 3, the injection rod 5 moves up and down in a cavity, so that a suppository which is pasty and liquid at a certain temperature is filled into a packing strip for packing the suppository, because the injection rod 5 moves up and down in the spacer assembly 3 in a reciprocating manner, the pump body 1 cannot be abraded, the service life of the pump body is prolonged, and the cost is reduced, a plurality of second sealing rings 6 are arranged between the injection rod 5 and the spacer assembly 3, the second sealing rings 6 are embedded in the inner periphery of the spacer assembly 3, so that the second sealing rings 6 cannot be driven to move while the injection rod 5 moves up and down in a reciprocating manner, continuous abrasion cannot be caused on the second sealing rings 6, the injection rod 5 can be touched only when passing through the position where the second sealing rings 6 are arranged, the abrasion amount is small, and the sealing rings do not need to be replaced every day, long service life and low cost.

Specifically, referring to fig. 4, a first annular groove 7 for installing the first seal ring 4 is formed in the periphery of the spacer assembly 3, the first seal ring 4 is sleeved on the periphery of the spacer assembly 3 through the first annular groove 7, the position of the first seal ring 4 can be fixed, and the first seal ring 4 is located between the inner wall of the pump body 1 and the first annular groove 7, so that a good sealing effect is achieved.

With reference to fig. 3 and 4, a second annular groove 8 for installing a second seal ring 6 is formed in the inner periphery of the spacer assembly 3, and the second seal ring 6 is located in the second annular groove 8, so that the position of the second seal ring 6 can be fixed, the second seal ring cannot move along with the movement of the injection rod 5, the abrasion is reduced, and the service life is prolonged.

Referring to fig. 4 specifically, in the actual production process, because the integrally formed spacer bush is difficult to process, the spacer bush assembly 3 is used after being combined in a split manner, the spacer bush assembly 3 comprises a first spacer bush 9, a second spacer bush 10, a third spacer bush 11 and a fourth spacer bush 12 which are sequentially arranged in an injection cavity 2, in the technical scheme, the spacer bush assembly is formed by combining four spacer bushes, an upper pressing sheet 13 is arranged at the upper port of the injection cavity 2, a lower pressing sheet 14 is arranged at the lower port of the injection cavity 2, the upper pressing sheet and the lower pressing sheet are used for fixing the spacer bush assembly 3, the lower pressing sheet 14 and the upper pressing sheet 13 respectively abut against the upper end face and the lower end face of the spacer bush assembly 3 and are fixed on a pump body 1 through fasteners, the upper pressing sheet 13 is arranged at the upper end face of the first spacer bush 9, the lower pressing sheet 14 is arranged at the lower end face of the fourth spacer bush 13, the spacer bush assembly is abutted against and fixed in the, the pressing sheet is taken down, and the spacer bush component 3 in the valve body can be taken out for replacement.

Referring to fig. 4 in particular, the second seal rings 6 are respectively disposed at adjacent joints of the first spacer 9, the second spacer 10, the third spacer 11 and the fourth spacer 12 to prevent the leakage of the liquid medicine from the joints between the two adjacent spacers.

Referring to fig. 4 in particular, the number of the first seal rings 4 is three, and the number of the second seal rings 6 is four.

Referring to fig. 4 in particular, a concave feeding channel 15 is formed on the periphery of the injection molding rod 5, the feeding channel 15 is communicated with a main feeding channel 16 and a material suction cavity 17, a second sealing ring 6 is arranged at the joint between the second spacer 10 and the third spacer 11, and the feeding channel 15 is concave, so that when the injection rod 5 moves up and down, friction between the part of the structure and the second sealing ring 6 is avoided, and abrasion is reduced.

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 (7)

1. The utility model provides a suppository filling device with novel seal structure, includes the pump body (1), has seted up injection chamber (2) in the pump body (1), its characterized in that: the injection device is characterized in that a spacer assembly (3) used for installing a sealing ring is arranged in the injection cavity (2), an injection rod (5) is movably arranged in the spacer assembly (3), a plurality of second sealing rings (6) are arranged between the injection rod (5) and the spacer assembly (3), and the second sealing rings (6) are embedded in the inner periphery of the spacer.

2. The suppository filling device with a novel sealing structure according to claim 1, wherein: the periphery shaping of spacer subassembly (3) has first annular groove (7) that are used for installing first sealing washer (4), and first sealing washer (4) are located between the inner wall of the pump body (1) and first annular groove (7).

3. The suppository filling device with a novel sealing structure according to claim 1, wherein: and a second annular groove (8) for mounting a second sealing ring (6) is formed in the inner periphery of the spacer assembly (3).

4. The suppository filling device having a novel sealing structure according to claim 1, 2 or 3, wherein: spacer subassembly (3) is including setting gradually first spacer (9), second spacer (10), third spacer (11) and fourth spacer (12) in injection chamber (2), preforming (13) are installed to the last port in injection chamber (2), preforming (14) are installed down to the lower port in injection chamber (2), and preforming (14), last preforming (13) support respectively and lean on the upper and lower terminal surface that leans on spacer subassembly (3) and fix on the pump body (1) through the fastener down.

5. The suppository filling device with a novel sealing structure according to claim 4, characterized in that: the second sealing ring (6) is arranged between the connection of two adjacent spacer bushes.

6. The suppository filling device with a novel sealing structure according to claim 1, wherein: the number of the second sealing rings (6) is four, and the number of the first sealing rings (4) is three.

7. The suppository filling device with a novel sealing structure according to claim 1, wherein: a concave feeding channel (15) is formed in the periphery of the injection rod (5), and the feeding channel (15) is communicated with the main feeding channel (16) and the material suction cavity (17).

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