CN210400700U - Manual sealing pressure measuring instrument - Google Patents

Abstract

The utility model discloses a manual sealing pressure gauge, which comprises a base, wherein the base comprises a first fixing plate and a second fixing plate, the first fixing plate is horizontally arranged and is provided with a guide hole, and the second fixing plate is vertically arranged and is positioned at one end of the first fixing plate; the pressing mechanism is arranged on the base and comprises a pressing rod, a connecting rod and a pressing head, the pressing rod is hinged and fixed above the first fixing plate, one end of the connecting rod is hinged and connected with the pressing rod, the other end of the connecting rod penetrates through the guide hole to the position below the first fixing plate, and the pressing head is fixedly connected with the other end of the connecting rod; the electronic scale is arranged below the pressure head. The pressure gauge is simple in structure and small in size, reduces the technical requirements of workers, and facilitates the sealing pressure measurement of the related products by the workers.

Description

Manual sealing pressure measuring instrument

Technical Field

The utility model relates to a sealed pressure measurement technical equipment field, in particular to manual seal pressure measurement appearance.

Background

Traditional hose, bottled and bagged product's sealed detection adopts the form of evacuation to realize more, need use vacuum detection bucket and vacuum control device, at first will be detected the product and put into the vacuum detection bucket, then will detect the bucket and take out the vacuum of regulation numerical value, resume the ordinary pressure after keeping the certain time, take out to be detected the product and observe the outer tube and see whether there is the leakage phenomenon. Because the electronic instrument is a precise electronic instrument, the technical requirement on workers is high. It can be seen that the existing equipment for sealing and pressure measuring is high in price, large in occupied size and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a manual sealed pressure measurement appearance, this kind of pressure measurement appearance simple structure, small in size has reduced staff's technical requirement, has made things convenient for the staff to carry out the sealed pressure measurement to relevant product.

According to the embodiment of the first aspect of the utility model, the manual sealing pressure measuring instrument comprises a base, the base comprises a first fixing plate and a second fixing plate, the first fixing plate is horizontally arranged and provided with a guide hole, the second fixing plate is vertically arranged and is positioned at one end of the first fixing plate; the pressing mechanism is arranged on the base and comprises a pressing rod, a connecting rod and a pressing head, the pressing rod is hinged and fixed above the first fixing plate, one end of the connecting rod is hinged and connected with the pressing rod, the other end of the connecting rod penetrates through the guide hole to the position below the first fixing plate, and the pressing head is fixedly connected with the other end of the connecting rod; the electronic scale is arranged below the pressure head.

According to the utility model discloses manual seal load cell has following technological effect at least: fix the top at first fixed plate through the depression bar is articulated, the connecting rod is articulated to be fixed on the depression bar, make the free one end of depression bar at the in-process of pushing down around articulated one end, can drive the vertical downstream of connecting rod, the connecting rod runs through first fixed plate, first fixed plate plays the restriction effect to the direction of motion of connecting rod, therefore the connecting rod can drive the pressure head and vertically push down, the top surface of pressure head and electronic scale carries out the centre gripping and exerts pressure to the pressure product that awaits measuring, the electronic scale is used for showing the bearing pressure of being surveyed the product, take out the product after reaching the regulation pressure value, carry out outward appearance to the product and detect, confirm not to leak, the completion. It can be seen that the whole pressure measurement process compares traditional vacuum detection bucket and vacuum control device's combination formula sealed pressure measurement, and is simpler and easily operation, because the structure of pressure measurement appearance is mostly simple structure's pure mechanical parts, consequently occupies smallly, easily carries and shifts, and is not high to staff's technical requirement, and the staff only need depress the depression bar and confirm that the reading of electronic scale reaches the specified value, can confirm the leakproofness of product through observing product appearance at last.

According to the utility model discloses a some embodiments still include reset spring, reset spring cover is located on the connecting rod, reset spring's one end with the depression bar butt, reset spring's the other end with first fixed plate top butt.

According to some embodiments of the utility model, the base still includes the bottom plate, the bottom plate with the bottom fixed connection of second fixed plate, the electronic scale is fixed in on the bottom plate.

According to the utility model discloses a some embodiments, the pressure head includes clamp plate and spacing mould, the top of clamp plate with the connecting rod other end fixed connection, spacing mould with the connection can be dismantled to the bottom of clamp plate, spacing mould bottom is equipped with the product spacing groove.

According to the utility model discloses a some embodiments still include the extension pipe, the one end of extension pipe with the connection can be dismantled to the one end of depression bar.

According to the utility model discloses a some embodiments, the one end of extension pipe is equipped with first internal thread, the depression bar the one end be equipped with the internal thread corresponds first external screw thread of complex.

According to some embodiments of the utility model, the connecting rod includes first pole section and second pole section, first pole section with the second pole section is articulated to link to each other, first pole section is located the top of first fixed plate, and with the depression bar is articulated to link to each other, the second pole section with pressure head fixed connection.

According to some embodiments of the invention, the side of the second fixing plate is provided with a through hole running through the second fixing plate.

According to the utility model discloses a some embodiments still include the spliced pole, the spliced pole is fixed in the top of first fixed plate, the one end of depression bar with the one end of spliced pole is articulated to link to each other.

According to some embodiments of the invention, the bottom surface of the indenter is a circular arc surface.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of a second embodiment of the present invention;

fig. 3 is a schematic structural view of one embodiment of the indenter portion of the present invention;

fig. 4 is a schematic overall structure diagram of a third embodiment of the present invention.

In the figure:

the first fixing plate 110, the second fixing plate 120, the through hole 121, the bottom plate 130, the pressing rod 210, the connecting rod 220, the first rod section 221, the second rod section 222, the pressing head 230, the pressing plate 231, the sliding block 232, the limiting mold 233, the product limiting groove 234, the return spring 240, the extension pipe 250, the connecting column 260, the electronic scale 300, and the connecting rod

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a manual sealing pressure gauge according to an embodiment of the first aspect of the present invention includes a base, the base includes a first fixing plate 110 and a second fixing plate 120, the first fixing plate 110 is horizontally disposed and provided with a guide hole, and the second fixing plate 120 is vertically disposed and located at one end of the first fixing plate 110; the pressing mechanism is arranged on the base and comprises a pressing rod 210, a connecting rod 220 and a pressing head 230, the pressing rod 210 is hinged and fixed above the first fixing plate 110, one end of the connecting rod 220 is hinged and connected with the pressing rod 210, the other end of the connecting rod 220 penetrates through the guide hole to be arranged below the first fixing plate 110, and the pressing head 230 is fixedly connected with the other end of the connecting rod 220; an electronic scale 300, the electronic scale 300 is provided below the ram 230.

According to the utility model discloses a manual seal load cell, particularly, fix the top at first fixed plate 110 through depression bar 210 is articulated, connecting rod 220 is articulated to be fixed on depression bar 210, the in-process that makes depression bar 210's free one end push down around articulated one end, can drive the vertical downstream of connecting rod 220, connecting rod 220 runs through first fixed plate 110, first fixed plate 110 plays the limiting displacement to connecting rod 220, consequently connecting rod 220 can drive the vertical push down of pressure head 230, pressure head 230 carries out the centre gripping and exerts pressure to the pressure product that awaits measuring with the top surface of electronic scale 300, electronic scale 300 is used for showing the bearing pressure of being surveyed the product, take out the product after reacing the regulation pressure value, carry out outward appearance to the product and detect, confirm not to leak, accomplish the sealed pressure measurement to the product. It can be seen that the whole pressure measurement process is simpler and easier to operate than the traditional combined sealing pressure measurement of the vacuum detection barrel and the vacuum control device, and the pressure measurement instrument mainly adopts a pure mechanical part with a simple structure, so that the pressure measurement instrument occupies a small volume, is easy to carry and transfer, has low technical requirements on workers, and the workers only need to press down the pressure lever 210 and confirm that the reading of the electronic scale 300 reaches a specified value, and finally can confirm the sealing performance of the product by observing the appearance of the product.

According to the utility model discloses a manual seal load cell of embodiment, in the actual production manufacturing, the cross sectional shape of depression bar 210 and connecting rod 220 both can be circular or square, when the shape of depression bar 210 and connecting rod 220 is square, more be favorable to the production and processing, also easier processing to the articulated department of depression bar 210 and connecting rod 220, for example, can open a bar groove that can supply one end of connecting rod 220 to pass through on depression bar 210, after one end of connecting rod 220 stretches into the bar groove, pass through depression bar 210 and connecting rod 220 from a side of depression bar 210 with fasteners such as bolt or rivet, make connecting rod 220 form simple reliable articulated, it should be understood that, the length and the width of bar groove all need be suitable, can accomplish to avoid taking place action interference and excessive friction with connecting rod 220 and be good, of course, also can reverse, open at the one end of connecting rod 220 and establish the articulated groove, the hinge slot clamps the pressure lever 210 and is locked by a fastener, so that one end of the connecting rod 220 is hinged around the pressure lever 210, and the actual application can be determined according to the actual requirement based on which choice is not limited herein. Similarly, the compression bar 210 can be hinged to the first fixing plate 110 by arranging a fixing block on the top of the first fixing plate 110 to clamp one end of the compression bar 210, and then penetrating the fixing block and the compression bar 210 with a fastener, so that the compression bar 210 can only rotate around one end of the compression bar 210; when the cross sections of the compression bar 210 and the hinge bar are circular, external threads are conveniently machined at the free ends of the compression bar 210 and the connecting rod 220, so that other accessories can be conveniently installed or replaced, for example, an extension bar for saving labor can be in threaded connection with the free end of the compression bar 210, the pressure head 230 corresponding to different products can be in threaded connection with the free end of the connecting rod 220, and how the specific shapes of the compression bar 210 and the connecting rod 220 in practice need of design is not limited in this respect.

The effect of guiding hole is that the motion to connecting rod 220 leads and spacing, connecting rod 220 is at the in-process that moves down, because the articulated rotation of depression bar 210 with first fixed plate 110, connecting rod 220 can take place the skew in the horizontal direction, in order not to make connecting rod 220 and first fixed plate 110 take place too much interference, the shape design long bar effect of guiding hole is good, pressure head 230 is being connected to the free end of connecting rod 220, under the action of gravity of pressure head 230, connecting rod 220 remains vertical state at the in-process of motion throughout, be favorable to avoiding slipping and influence the detection at the in-process product that pushes down.

The product position can be limited by arranging the product limiting groove 234 at the bottom of the pressure head 230, the specific shape of the product limiting groove 234 is correspondingly designed according to the shape of a detected product, the pressure head 230 is pressed behind the product, the product can be limited and fixed by the product limiting groove 234, further, the product is prevented from slipping to influence detection, the common product appearance, such as bottle shape, tubular shape, bag shape and the like, is different in size, therefore, various types of pressure heads 230 can be equipped, each pressure head 230 corresponds to a product with one size and one type, the pressure head 230 can be replaced on the connecting rod 220 at will, the pressure head 230 can be simply and easily detached and fixed by being in threaded connection with the connecting rod 220, and the pressure head 230 can be replaced at will.

In practical application, a worker first places a product to be tested on the electronic scale 300 and aligns the product to the right below the pressure head 230 as much as possible, then holds the pressure rod 210 and slightly presses down the pressure rod to enable the product limiting groove 234 of the pressure head 230 to be matched with the product for limiting, further applies pressure, simultaneously pays attention to the reading of the electronic scale 300, releases the pressure rod 210 when the reading of the electronic scale 300 reaches a specified pressure measurement value, takes out the product to observe the appearance of the product, confirms that no leakage phenomenon exists, and detects the sealing performance of the product to be qualified.

Further, referring to fig. 2, according to some embodiments of the present invention, the fixing device further includes a return spring 240, the return spring 240 is sleeved on the connecting rod 220, one end of the return spring 240 abuts against the pressing rod 210, and the other end of the return spring 240 abuts against the top of the first fixing plate 110. Specifically, the return spring 240 can maintain a certain distance between the pressing rod 210 and the first fixing plate 110, so that the pressing head 230 and the electronic scale 300 have a convenient distance for placing a product in a non-pressing state; on the other hand, after the product is pressed, the pressure rod 210 and the first fixing plate 110 are driven to be away from each other by the action of the spring force, so that the pressure head 230 is reset, and the cycle of the next pressure measuring step is convenient to perform; in addition, the spring is sleeved on the connecting rod 220, and the bottom of the spring is attached to the first fixing plate 110, so that the connecting rod 220 is kept in a vertical direction in the process of downward movement, the connecting rod 220 drives the pressure head 230 to be not prone to tilting, and the pressure measurement of a product is affected.

Further, referring to fig. 2, according to some embodiments of the present invention, the base further includes a bottom plate 130, the bottom plate 130 is fixedly connected to the bottom of the second fixing plate 120, and the electronic scale 300 is fixed on the bottom plate 130. Specifically, the bottom plate 130, the first fixing plate 110 and the second fixing plate 120 form an Contraband-shaped base, the electronic scale 300 can be easily fixed on the bottom plate 130 by natural gravity, or can be further fixed by fasteners such as bolts, so that the whole load cell can be moved and placed together with the electronic scale 300, and the electronic scale can be conveniently adjusted to a proper position by a worker.

Further, referring to fig. 3, according to some embodiments of the present invention, the pressing head 230 includes a pressing plate 231 and a limiting mold 233, the top of the pressing plate 231 is fixedly connected with the other end of the connecting rod 220, the limiting mold 233 is detachably connected with the bottom of the pressing plate 231, and the bottom of the limiting mold 233 is provided with a product limiting groove 234. Specifically, the pressing plate 231 can be reliably fixed at the other end of the connecting rod 220 in a welding manner, in practical application, a plurality of limiting molds 233 can be manufactured according to the size and type of a product, the difference of each limiting mold 233 lies in that the product limiting groove 234 of each limiting mold 233 corresponds to a certain type of product, the pressing plate 231 can be provided with a plurality of fixing holes for bolts to pass through, the bolts penetrate through the fixing holes from the top of the pressing plate 231 and are in threaded connection with the limiting molds 233, so that the detachable matching of the pressing plate 231 and the limiting molds 233 is realized, and the corresponding limiting molds 233 can be replaced according to different products to carry out limiting pressure measurement on the product. It should be understood that the connection mode of the pressing head 230 and the limiting mold 233 is not limited to the fixation of fasteners such as bolts, and a slide rail groove is formed on the pressing plate 231, and the top of the limiting mold 233 is fixed with a slide block 232 correspondingly matched with the slide rail groove, so that the limiting mold 233 can be rapidly assembled with or disassembled from the pressing head 230 to achieve the rapid replacement of the limiting mold 233.

Further, referring to fig. 2, according to some embodiments of the present invention, an extension pipe 250 is further included, and one end of the extension pipe 250 is detachably connected to one end of the pressing rod 210. Particularly, depression bar 210 sets up on first fixed plate 110, it pushes down connecting rod 220 and pressure head 230 through lever principle, extension pipe 250 has increased radial vector for depression bar 210, thereby under the condition of applying equal effort, torque moment has been increased, make the pushing down of pressure head 230 more laborsaving, the staff operation has been made things convenient for, extension pipe 250 has the multiple with the connected mode of depression bar 210, the regular trip draw-in groove of accessible cooperates, also can pass through the clamp, the cover such as locking ring is established and is consolidated at the junction of the two, or adopt fasteners such as bolt and nut to carry out spacing fixed to the junction of the two, can also set up the screw thread at the junction of the two and carry out screw-thread fit, above-mentioned implementation all can reach the effect of convenient dismantlement, can select the setting according to actual demand, do not do the restriction here.

Further, according to some embodiments of the present invention, the one end of the extension pipe 250 is provided with a first internal thread, and the one end of the pressing rod 210 is provided with a first external thread corresponding to the internal thread. Particularly, extension pipe 250 and depression bar 210 realize reliable dismantlement fixedly through threaded connection, also can set up the draw-in groove buckle through the junction at extension pipe 250 and depression bar 210 simultaneously and be connected, for example set up the draw-in groove in extension pipe 250 one end, depression bar 210 one end sets up the buckle, can play the effect of quick installation or dismantlement equally, can arrange the selection according to specific demands in practical application, do not do the restriction here.

Further, referring to fig. 4, according to some embodiments of the present invention, the connecting rod 220 includes a first rod section 221 and a second rod section 222, the first rod section 221 is hinged to the second rod section 222, the first rod section 221 is located above the first fixing plate 110 and is hinged to the pressing rod 210, and the second rod section 222 is fixedly connected to the pressing head 230. Specifically, the connecting rod 220 adopts a sectional hinged design, so that the stroke of pressing down of the pressure head 230 is kept vertical; the guide hole can be designed to be just large enough for the second rod section 222 to pass through so as to limit the second rod section 222 in the horizontal direction; the first rod section 221 is arranged above the first fixing plate 110, so that the first rod section 221 is prevented from interfering with a guide hole of the first fixing plate 110 in the process of pressing down the pressing rod 210; in the process of pressing down the pressing rod 210, the hinged position of the pressing rod 210 and the first rod section 221 can displace in the horizontal direction, and the first rod section 221 is hinged to the second rod section 222, so that the first rod section 221 and the second rod section 222 can deflect at a flexible angle in the pressing down process of the pressing rod 210, and therefore the second rod section 222 can be ensured to vertically displace downwards or upwards under the limiting effect of the guide hole, horizontal displacement cannot occur, and the pressing head 230 can accurately press down a product.

Further, referring to fig. 2, according to some embodiments of the present invention, the side of the second fixing plate 120 is provided with a through hole 121 penetrating the second fixing plate 120. Particularly, the through hole 121 facilitates the passage of four fingers, so that the hand can be easily held on the second fixing plate 120, and meanwhile, the whole weight of the base can be reduced, and the pressure gauge can be conveniently carried, deployed or adjusted by a worker.

Further, referring to fig. 2, according to some embodiments of the present invention, the fixing device further includes a connecting column 260, the connecting column 260 is fixed on the top of the first fixing plate 110, and one end of the pressing rod 210 is hinged to one end of the connecting column 260. Particularly, the connecting column 260 is used for heightening the fulcrum position of the pressure lever 210, so that the pressure lever 210 is not easy to interfere with the first fixing plate 110 in the moving process, the installation of the return spring 240 is facilitated, the pressure lever 210 can be kept horizontal as far as possible in a natural state, the pressing process is prevented from driving the connecting rod 220 to generate large horizontal displacement, and the pressure measuring effect of a product is influenced. In addition, the worker can further carry, deploy or adjust the position of the pressure gauge by holding the connecting rod 220 and matching with the avoiding hole of the embodiment.

Further, referring to fig. 2, according to some embodiments of the present invention, the bottom surface of the indenter 230 is a circular arc surface. Specifically, for some products having an overall footprint larger than the footprint of the indenter 230, the indenter 230 may be pressed down to apply pressure to the product to detect the sealing performance of the product, and since the tested products are made of soft materials, if each corner of the bottom of the indenter 230 has a right angle or an acute angle, the product is easily damaged, an unrecoverable indentation is generated, and the appearance of the product is affected. The bottom surface of the pressure head 230 is designed into an arc surface, so that the adverse phenomena can be effectively avoided, the arc surface enables all sides of the bottom of the pressure head 230 to become round and naturally transited, the product is not indented by any right angle or acute angle in the contact process of the bottom surface of the pressure head 230 and the product, and the complete appearance of the product after sealing and pressure measuring is ensured.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (10)

1. The utility model provides a manual seal load cell which characterized in that: comprises that

The base comprises a first fixing plate (110) and a second fixing plate (120), the first fixing plate (110) is horizontally arranged and provided with a guide hole, and the second fixing plate (120) is vertically arranged and is positioned at one end of the first fixing plate (110);

the pressing mechanism is arranged on the base and comprises a pressing rod (210), a connecting rod (220) and a pressing head (230), the pressing rod (210) is hinged and fixed above the first fixing plate (110), one end of the connecting rod (220) is hinged and connected with the pressing rod (210), the other end of the connecting rod penetrates through the guide hole to the position below the first fixing plate (110), and the pressing head (230) is fixedly connected with the other end of the connecting rod (220);

and the electronic scale (300) is arranged below the pressure head (230).

2. A hand-sealed load cell according to claim 1, wherein:

still include reset spring (240), reset spring (240) cover is located on connecting rod (220), reset spring (240) one end with depression bar (210) butt, reset spring (240) the other end with first fixed plate (110) top butt.

3. A hand-sealed load cell according to claim 2, wherein:

the base further comprises a bottom plate (130), the bottom plate (130) is fixedly connected with the bottom of the second fixing plate (120), and the electronic scale (300) is fixed on the bottom plate (130).

4. A hand-sealed load cell according to claim 1, wherein:

the pressing head (230) comprises a pressing plate (231) and a limiting mold (233), the top of the pressing plate (231) is fixedly connected with the other end of the connecting rod (220), the limiting mold (233) is detachably connected with the bottom of the pressing plate (231), and a product limiting groove (234) is formed in the bottom of the limiting mold (233).

5. A hand-sealed load cell according to claim 1, wherein:

the pressure bar is characterized by further comprising an extension pipe (250), wherein one end of the extension pipe (250) is detachably connected with one end of the pressure bar (210).

6. A hand-seal load cell according to claim 5, wherein:

the one end of extension pipe (250) is equipped with first internal thread, the one end of depression bar (210) is equipped with the first external screw thread of internal thread corresponding complex.

7. A hand-sealed load cell according to claim 1, wherein:

the connecting rod (220) comprises a first rod section (221) and a second rod section (222), the first rod section (221) is hinged to the second rod section (222), the first rod section (221) is located above the first fixing plate (110) and hinged to the pressure rod (210), and the second rod section (222) is fixedly connected with the pressure head (230).

8. A hand-sealed load cell according to claim 1, wherein:

and a through hole (121) penetrating through the second fixing plate (120) is formed in the side surface of the second fixing plate (120).

9. A hand-sealed load cell according to claim 1, wherein:

the fixing device is characterized by further comprising a connecting column (260), wherein the connecting column (260) is fixed to the top of the first fixing plate (110), and one end of the pressing rod (210) is hinged to one end of the connecting column (260).

10. A hand-sealed load cell according to claim 1, wherein:

the bottom surface of the pressure head (230) is a circular arc surface.

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