WO2020052174A1 - 吸盘结构 - Google Patents
吸盘结构 Download PDFInfo
- Publication number
- WO2020052174A1 WO2020052174A1 PCT/CN2018/125098 CN2018125098W WO2020052174A1 WO 2020052174 A1 WO2020052174 A1 WO 2020052174A1 CN 2018125098 W CN2018125098 W CN 2018125098W WO 2020052174 A1 WO2020052174 A1 WO 2020052174A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suction cup
- sucker
- suction
- connecting member
- diameter section
- Prior art date
Links
- 238000001179 sorption measurement Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
Definitions
- the utility model relates to the technical field of suction cups, in particular to a suction cup structure.
- Suction cups are sealed with a lip, and form a temporary sealed space after contacting with the sucked object.
- sucking or thinning the air in the sealed space an internal and external pressure difference is generated, and the object is adsorbed or adsorbed on On the object.
- the mobile phone is fixed by a fixed frame.
- the fixed frame has large limitations and is not easy to operate the mobile phone.
- it depends on the use time of the fixed frame. As it grows, its fixing effect gradually decreases, and there is no guarantee that the phone will be fixed.
- a suction cup is generally used to hold an object, or a magnet is used to hold an object.
- the object is relatively fixed and more stable.
- the object is extracted again. It becomes more difficult to stabilize the object and facilitate the extraction of the object.
- the operation of the suction cup structure is cumbersome, which makes the suction cup structure inconvenient to attract the object.
- the purpose of the present invention is to provide a suction cup structure, which aims to solve the problem that the suction cup structure is not convenient for attracting objects in the prior art.
- the utility model is realized in such a manner that the suction cup structure includes a fixed shell, an outer suction cup, a connecting member, and an inner suction cup in a squeezed state, and the outer suction cup and the inner suction cup are correspondingly connected to both ends of the connecting member respectively.
- the external suction cup is used for sucking and fixing the object to be adsorbed
- the fixed shell is fixedly arranged and has a cavity therein
- the fixed shell has an outer end portion arranged toward the external suction cup, and the outer end of the fixed shell
- a strip-shaped hole communicating with the cavity is provided in the part, and the connecting member is movably penetrated in the strip-shaped hole
- the inner suction cup is located in the cavity and abuts against the fixed shell, and the outer suction cup and the The inner suction cup communicates.
- the strip-shaped hole includes a large diameter section larger than the diameter of the connecting member and a small diameter section smaller than the diameter of the connecting member, and the large diameter section communicates with the small diameter section; when the connecting member is in the When the diameter is small, the inner sucker is in a squeezed state.
- two card boards are formed in the strip-shaped hole, and the small-diameter section is formed between the two card boards; two sides of the connecting member are respectively formed with inwardly recessed card slots, and the card The two ends of the slot are arranged in a through shape.
- the connecting member is in the small diameter section, two of the card plates are correspondingly inserted into the two card slots one by one.
- the fixed shell includes a bottom plate, and the inner suction plate abuts against the bottom plate; when the connecting member moves along the strip-shaped hole, the inner suction plate abuts the bottom plate and moves relative to the bottom plate.
- the inner suction cup has a first suction chamber
- the outer suction cup has a second suction chamber in communication with the first suction chamber
- a gap is formed in the bottom plate.
- the bottom plate is provided with a restricting wall, and the restricting wall is arranged in a ring shape to form a restricting area, and the notch and the inner sucker are both in the restricting area.
- the small-diameter section has an adsorption end close to the large-diameter section, the gap is at an upper end portion of the restricted area, and when the connecting member moves to the adsorption end, the inner suction cup is at the The upper end portion of the restricted area, and the first suction cavity communicates with the inner cavity, and the upper end portion of the restricted wall restricts the inner suction disc from continuing to move in the direction of the large diameter section.
- the adsorption end has an outer end facing the large-diameter section, and the outer end of the adsorption end is provided with two restriction blocks extending toward each other, and a gap between the two restriction blocks is smaller than the small-diameter section. .
- the small-diameter section has an adsorption end facing away from the large-diameter section, and when the connecting member is moved to the adsorption end, the inner sucker is at a lower end portion of the restricted area and a lower end of the restricted wall The portion restricts the inner sucker from continuing to move in a direction away from the large-diameter section.
- an outer end portion of the fixing shell is recessed downward to form a fixing groove, and a top of the connecting member is movably disposed in the fixing groove; the strip-shaped hole is located below the fixing groove.
- the suction cup structure provided by the present invention when an object needs to be attached, presses the object against the outer suction cup and applies a pressing force toward the fixed shell, excluding the inside of the outer suction cup and the inside of the inner suction cup.
- FIG. 1 is an exploded schematic view of a suction cup structure provided by an embodiment of the present invention
- FIG. 2 is a schematic cross-sectional view of a suction cup structure provided by an embodiment of the present invention.
- FIG 3 is a schematic perspective view of an outer end portion of a fixing shell of a suction cup structure provided by an embodiment of the present invention.
- the sucker structure provided by the present invention is used to solve the problem that the sucker structure is not convenient for attracting objects.
- the sucker structure includes a fixed shell 10, an outer sucker 20, a connecting member 30, and an inner sucker 40, and the inner sucker 40 is in a squeeze state; the outer sucker 20 and the inner sucker 40 are respectively connected to both ends of the connector 30, and the outer sucker 20 is used for
- the fixed shell 10 is fixedly arranged, and the fixed shell 10 has a cavity inside, the fixed shell 10 has an outer end portion 11, the outer end portion 11 is arranged toward the outer suction cup 20, and the outer end of the fixed shell 10
- a strip-shaped hole 50 is provided in the part 11, and the strip-shaped hole 50 communicates with the chamber.
- the connecting member 30 is movably disposed in the strip-shaped hole 50.
- the inner suction cup 40 is located in the chamber and abuts against the fixed shell 10.
- the outer suction cup 20 and the inner suction cup 40 Connected.
- the strip-shaped hole 50 includes a large-diameter section 51 and a small-diameter section 52.
- the large-diameter section 51 is larger than the diameter of the connecting member 30, the small-diameter section 52 is smaller than the diameter of the connecting member 30, and the large-diameter section 51 communicates with the small-diameter section 52;
- the connecting member 30 is in the small-diameter section 52, the inner suction cup 40 is in a squeezed state;
- the large-diameter section 51 facilitates the installation of the connecting member 30 and the inner suction cup 40, and facilitates the assembly of the overall suction cup structure;
- the small-diameter section 52 is connected to the The member 30 plays a limiting role to ensure that the inner sucker 40 is in a squeezed state.
- the outer sucker 20 receives the pressing force, it is convenient to exhaust the inner air of the outer sucker 20 and the inner air of the inner sucker 40, thereby facilitating the sucker structure to a
- two card plates 16 are formed in the strip-shaped hole 50, and a small-diameter section 52 is formed between the two card plates 16.
- Two sides of the connecting member 30 are formed with inwardly recessed card slots, and the two ends of the card slots are penetrated.
- the connecting piece 30 is in the small-diameter section 52, the two card plates 16 are embedded in the two card slots one by one; under the function of the two card slots, the connecting piece 30 has a limiting effect, and the inner sucker 40 is ensured. Squeezed state.
- the card slot has a card diameter.
- the card plate 16 has a plate diameter. The card diameter is slightly larger than the plate diameter. In this way, it prevents the card plate 16 from being inserted into the card slot.
- the limiting force in the direction ensures that the inner sucker 40 is in a squeezed state and avoids affecting the adsorption force of the outer sucker 20.
- the fixing shell 10 includes a bottom plate 12 and the inner suction cup 40 abuts the bottom plate 12; when the connecting member 30 moves along the strip hole 50, the inner suction cup 40 abuts the bottom plate 12 and moves relative to the bottom plate 12; , The connecting member 30 is difficult to cause longitudinal displacement.
- the inner suction cup 40 has a first suction chamber
- the outer suction cup 20 has a second suction chamber that communicates with the first suction chamber
- the bottom plate 12 is formed with a gap 14.
- the inner suction cup 40 moves to the gap 14, the first suction chamber and the second suction chamber
- the inner cavity is respectively connected, so that the outer suction cup 20 loses the suction force; in this way, when an object needs to be taken, a pushing force is directly applied to the object.
- the outer suction cup 20 attracts the object, the movement of the object drives the connecting member 30 to move, and the connecting member 30 drives the inner member.
- the suction cup 40 moves.
- the outer suction cup 20 loses The suction force can easily remove the object.
- the bottom plate 12 is provided with a restriction wall 13, which is arranged in a ring-shaped enclosure to form a restriction region 15.
- the notch 14 and the inner suction cup 40 are both in the restriction region 15; under the action of the restriction region 15, the inner suction cup 40
- the moving area of the external sucker 20 is restricted, thereby restricting the moving area of the connecting member 30 and the external suction cup 20, so that it is convenient for the external suction cup 20 to switch between attracting and not attracting objects.
- the small-diameter section 52 has an adsorption end near the large-diameter section 51, and the notch 14 is at the upper end of the restricted area 15.
- the connecting member 30 is moved to the adsorption end, the inner suction cup 40 is at the upper end of the restricted area 15 and the first adsorption cavity communicates In the inner cavity, the upper end of the restricting wall 13 restricts the inner sucker 40 from continuing to move in the direction of the large diameter section 51.
- the upper end of the restricting wall 13 restricts the inner sucker 40 from continuing Move to ensure that the outer suction cup 20 loses suction power, while avoiding that the inner suction cup 40 moves too far, and it is not convenient for the outer suction cup 20 to switch between adsorption and non-adsorption; at the same time, under the action of the upper end of the limiting wall 13, the connection member 30 is prevented from detaching Footpath section 52.
- the suction end has an outer end facing the large-diameter section 51.
- the outer end of the suction end is provided with two restriction blocks extending opposite to each other.
- the gap between the two restriction blocks is smaller than the small-diameter section 52. It is effective under the action of the two restriction blocks.
- the connecting piece 30 is restricted from being separated from the small-diameter section 52 so as to avoid affecting the normal operation of the suction cup structure.
- the outer end of the suction end is flared.
- the small-diameter section 52 has a suction end facing away from the large-diameter section 51.
- the inner sucker 40 is at the lower end of the restricted area 15 and the lower end of the restriction wall 13 restricts the inner sucker 40 from continuing away from the large-diameter section. 51 direction movement; under the action of the lower end of the restricting wall 13, avoid the inner suction cup 40 moving too far, it is not convenient for the outer suction cup 20 to switch between adsorption and non-adsorption; in addition, avoid the overall gravity center deviation of the suction cup structure is too large, affecting the overall Structural stability.
- the outer end portion 11 of the fixing shell 10 is recessed downward to form a fixing groove 17, and the top of the connecting member 30 is movably placed in the fixing groove 17; the strip-shaped hole 50 is located below the fixing groove 17; and the installation and stability of the connecting member 30 is increased.
- the fixing grooves 17, the strip-shaped holes 50, and the card plates 16 are arranged in order and in a step-like arrangement; multiple supports for the connector 30, enhancing the installation and stability of the connector 30, and enhancing the connector 30 Mobile stability.
- the inner suction cup 40 is arranged in an arc shape, forming a first suction surface, and the middle portion of the inner suction cup 40 is convex upward, the first suction surface is in contact with the bottom plate 12, and the first suction surface has a first suction cavity;
- the outer suction cup 20 is in an arc shape Arranged to form a second suction surface with the middle of the outer suction cup 20 facing downward, the second suction surface is used to suck an object, and the second suction surface forms a second suction cavity; the cooperation effect between the inner suction cup 40 and the outer suction cup 20 is enhanced, and The matching effect of the inner sucker 40 and the casing ensures the adsorption of objects.
- the middle portion of the outer suction cup 20 is recessed downward to form a lower inserting portion, the top of the connecting member 30 forms an upper opening, the upper inserting portion is embedded in the upper opening, and the upper inserting portion is hollow, thereby ensuring the communication between the first adsorption cavity and the second adsorption cavity At the same time, the mounting stability of the outer sucker 20 and the connecting member 30 is enhanced.
- the inner portion of the inner suction cup 40 is raised upward to form an upper insert portion.
- the bottom of the connecting member 30 forms a lower opening, the lower insert portion is embedded in the lower opening, and the lower insert portion is hollow, thereby ensuring the first adsorption cavity and the second adsorption cavity.
- the mounting stability of the inner sucker 40 and the connecting member 30 is enhanced.
- the strip-shaped holes 50 are arranged in an oval shape, and the connecting pieces 30 are arranged in a cylindrical shape, which facilitates the connecting pieces 30 to move back and forth along the strip-shaped holes 50.
- the restriction area 15 is arranged in an oval shape. In this way, the cooperation effect between the restriction area 15 and the strip-shaped hole 50 is better, which facilitates the movement of the connecting member 30, the inner suction cup 40 and the outer suction cup 20.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
公开了吸盘结构，包括固定壳（10）、外吸盘（20）、连接件（30）以及呈挤压状态的内吸盘（40），外吸盘（20）以及内吸盘（40）分别对应连接在连接件（30）的两端部，外吸盘（20）用于吸住固定待吸附物体，固定壳（10）固定布置，其内部具有腔室，固定壳（10）具有朝向外吸盘（20）布置的外端部（11），固定壳（10）的外端部（11）中设置有连通腔室的条形孔（50），连接件（30）活动穿设在条形孔（50）中，内吸盘（40）处于腔室且抵触固定壳（10），外吸盘（20）与内吸盘（40）连通。该吸盘结构操作简单便捷，快速实现物体固定以及拿取，实现吸盘结构便于吸附物体。
Description
本实用新型涉及吸盘的技术领域，特别涉及吸盘结构。
吸盘，是一种带密封唇边的，在与被吸物体接触后形成一个临时性的密封空间，通过抽走或者稀薄密封空间里面的空气，产生内外压力差，而对物体进行吸附或吸附在物体上。
目前，在驾驶车辆时，经常需要使用手机通话以及导航，一般通过固定架对手机进行固定，但是，固定架具有较大的局限性，不便于对手机进行操作；另外，随固定架的使用时间增长，其固定效果逐渐降低，无法保证对手机进行固定。
现有技术中，一般吸盘来吸住物体，或者通过磁铁来吸住物体，但是，不论哪种方式，均是使物体相对固定的更加稳定，然而在对物体固定稳固的同时，提取物体则又变得困难了起来，稳定固定物体与方便提取物体不可兼得；另外，吸盘结构操作繁琐，导致吸盘结构不便于吸附物体。
本实用新型的目的在于提供吸盘结构，旨在解决现有技术中吸盘结构不便于吸附物体的问题。
本实用新型是这样实现的，吸盘结构，包括固定壳、外吸盘、连接件以及呈挤压状态的内吸盘，所述外吸盘以及所述内吸盘分别对应连接在所述连接件的两端部，所述外吸盘用于吸住固定待吸附物体，所述固定壳固定布置，其内部具有腔室，所述固定壳具有朝向所述外吸盘布置的外端部，所述固定壳的外端部中设置有连通腔室的条形孔，所述连接件活动穿设在所述条形孔中，所述内吸盘处于所述腔室且抵触所述固定壳，所述外吸盘与所述内吸盘连通。
进一步的，所述条形孔包括大于所述连接件直径的大径段以及小于所述连接件直径的小径段，所述大径段与所述小径段连通；当所述连接件处于所述小径段时，所述内吸盘呈挤压状态。
进一步的，所述条形孔内形成有两个卡板，两个所述卡板之间形成所述小径段；所述连接件的两侧分别形成有朝内凹陷的卡槽，所述卡槽两端呈贯通状布置，当所述连接件处于所述小径段时，两个所述卡板一一对应嵌入两个所述卡槽。
进一步的，所述固定壳包括底板，所述内吸盘抵触所述底板；所述连接件沿所述条形孔移动时，所述内吸盘抵触所述底板且相对所述底板移动。
进一步的，所述内吸盘具有第一吸附腔，所述外吸盘具有与所述第一吸附腔连通的第二吸附腔，所述底板形成有缺口，当所述内吸盘移动至所述缺口，所述第一吸附腔与所述第二吸附腔分别连通所述内腔，使所述外吸盘失去吸附力。
进一步的，所述底板设有限制壁，限制壁呈环状围合布置形成限制区域，所述缺口以及所述内吸盘均处于所述限制区域。
进一步的，所述小径段具有靠近所述大径段的吸附端，所述缺口处于所述限制区域的上端部，当所述连接件移动至所述吸附端时，所述内吸盘处于所述限制区域的上端部，且所述第一吸附腔连通所述内腔，所述限制壁的上端部限制所述内吸盘继续朝向所述大径段方向移动。
进一步的，所述吸附端具有朝向所述大径段的外端，所述吸附端的外端设有两个相向延伸布置的限制块，两个所述限制块之间的间隙小于所述小径段。
进一步的，所述小径段具有背离所述大径段的吸附端，当所述连接件移动至所述吸附端时，所述内吸盘处于所述限制区域的下端部，所述限制壁的下端部限制所述内吸盘继续沿背离所述大径段方向移动。
进一步的，所述固定壳的外端部朝下凹陷形成固定槽，所述连接件的顶部活动置于所述固定槽；所述条形孔处于所述固定槽的下方。
与现有技术相比，本实用新型提供的吸盘结构，在需要贴附物体时，将物体抵触外吸盘，并朝向固定壳的方向施加挤压力，排除外吸盘的内部以及内吸盘的内部的大部分空气，使外部气压大于外吸盘的内部的气压，使外吸盘产生吸力，将物体紧密的吸附在外吸盘上；当拿取物体时，直接移动物体，通过连接件在条形孔内移动，带动内吸盘以及外吸盘移动，降低内吸盘以及外吸盘的封闭效果，从而降低外吸盘的吸附力，便于物体的拿取；通过这种吸盘结构，操作简单、便捷，快速实现物体固定以及拿取，实现吸盘结构便于吸附物体。
图1是本实用新型实施例提供的吸盘结构的分解示意图；
图2是本实用新型实施例提供的吸盘结构的剖面示意图；
图3是本实用新型实施例提供的吸盘结构的固定壳的外端部的立体示意图。
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
本实施例的附图中相同或相似的标号对应相同或相似的部件；在本实用新型的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
以下结合具体实施例对本实用新型的实现进行详细的描述。
参照图1-3所示，为本实用新型提供较佳实施例。
本发明提供的吸盘结构，用于解决吸盘结构不便于吸附物体的问题。
吸盘结构包括固定壳10、外吸盘20、连接件30以及内吸盘40，内吸盘40呈挤压状态；外吸盘20以及内吸盘40分别对应连接在连接件30的两端部，外吸盘20用于吸住固定待吸附物体，固定壳10呈固定布置，且固定壳10的内部具有腔室，固定壳10具有外端部11，外端部11朝向外吸盘20布置，固定壳10的外端部11中设置有条形孔50，条形孔50连通腔室，连接件30活动穿设在条形孔50中，内吸盘40处于腔室且抵触固定壳10，外吸盘20与内吸盘40连通。
上述的吸盘结构，在需要贴附物体时，将物体抵触外吸盘20，并朝向固定壳10的方向施加挤压力，排除外吸盘20的内部以及内吸盘40的内部的大部分空气，使外部气压大于外吸盘20的内部的气压，使外吸盘20产生吸力，将物体紧密的吸附在外吸盘20上；当拿取物体时，直接移动物体，通过连接件30在条形孔50内移动，带动内吸盘40以及外吸盘20移动，降低内吸盘40以及外吸盘20的封闭效果，从而降低外吸盘20的吸附力，便于物体的拿取；通过这种吸盘结构，操作简单、便捷，快速实现物体固定以及拿取，实现吸盘结构便于吸附物体。
本实施例中，条形孔50包括大径段51以及小径段52，大径段51大于连接件30的直径，小径段52小于连接件30的直径，大径段51与小径段52连通；当连接件30处于小径段52时，内吸盘40呈挤压状态；通过大径段51，便于连接件30以及内吸盘40的安设，便于整体吸盘结构的组装；另外，小径段52对连接件30起到限制作用，保证内吸盘40呈挤压状态，当外吸盘20收挤压力时，便于将外吸盘20的内部空气以及内吸盘40的内部空气排出，从而便于吸盘结构吸附物体。
再者，条形孔50内形成有两个卡板16，两个卡板16之间形成小径段52；连接件30的两侧分别形成有朝内凹陷的卡槽，卡槽两端呈贯通状布置，当连接件30处于小径段52时，两个卡板16一一对应嵌入两个卡槽；在两个卡槽的作用下，对连接件30起到限制作用，保证内吸盘40呈挤压状态。
沿纵向方向，卡槽具有卡径，沿纵向方向，卡板16具有板径，卡径略大于板径，这样，避免影响卡板16嵌入卡槽，同时，提高卡槽对连接件30在纵向方向的限制力，保证内吸盘40呈挤压状态，避免影响外吸盘20的吸附力。
固定壳10包括底板12，内吸盘40抵触底板12；连接件30沿条形孔50移动时，内吸盘40抵触底板12且相对底板12移动；这样，有助于增强连接件30移动的稳定性，连接件30不易造成纵向偏移。
内吸盘40具有第一吸附腔，外吸盘20具有与第一吸附腔连通的第二吸附腔，底板12形成有缺口14，当内吸盘40移动至缺口14，第一吸附腔与第二吸附腔分别连通内腔，使外吸盘20失去吸附力；这样，当需要拿取物体时，直接对物体施加推动力，由于外吸盘20吸附物体，从而物体移动带动连接件30移动，连接件30带动内吸盘40移动，一旦内吸盘40移动至缺口14时，内腔的空气填充进第一吸附腔和第二吸附腔，第一吸附腔和第二吸附腔失去负压状态，因此，外吸盘20失去吸附力，即可轻易将物体取出。
具体的，底板12设有限制壁13，限制壁13呈环状围合布置形成限制区域15，缺口14以及内吸盘40均处于限制区域15；在限制区域15的作用下，从而对内吸盘40的移动区域进行限制，从而限制连接件30以及外吸盘20的移动区域，从而便于外吸盘20吸附物体以及不吸附物体进行切换。
小径段52具有靠近大径段51的吸附端，缺口14处于限制区域15的上端部，当连接件30移动至吸附端时，内吸盘40处于限制区域15的上端部，且第一吸附腔连通内腔，限制壁13的上端部限制内吸盘40继续朝向大径段51方向移动；这样，当进行物体提取，内吸盘40移动至缺口14处时，限制壁13的上端部限制内吸盘40继续移动，保证外吸盘20失去吸力，同时避免内吸盘40移动距离过大，不便于外吸盘20进行吸附与不吸附的切换；同时，在限制壁13的上端部的作用下，避免连接件30脱离小径段52。
吸附端具有朝向大径段51的外端，吸附端的外端设有两个相向延伸布置的限制块，两个限制块之间的间隙小于小径段52；在两个限制块的作用下，有效限制连接件30脱离小径段52，从而避免影响吸盘结构的正常工作。
吸附端的外端才扩口状，进行连接件30组装时，便于连接件30嵌入小径段52，便于连接件30与固定壳10的组装。
小径段52具有背离大径段51的吸附端，当连接件30移动至吸附端时，内吸盘40处于限制区域15的下端部，限制壁13的下端部限制内吸盘40继续沿背离大径段51方向移动；在限制壁13的下端部的作用下，避免内吸盘40移动距离过大，不便于外吸盘20进行吸附与不吸附的切换；另外，避免吸盘结构整体重心偏差过大，影响整体结构的稳固性。
另外，在限制壁13的下端部的作用下，避免连接件30移动时与壳体造成碰撞霍磨损，提高吸盘结构的使用寿命。
固定壳10的外端部11朝下凹陷形成固定槽17，连接件30的顶部活动置于固定槽17；条形孔50处于固定槽17的下方；增大连接件30的安设稳固性。
沿自上而下，固定槽17、条形孔50以及卡板16依次布置且呈阶梯状布置；多重对连接件30起到支撑作用，增强连接件30的安设稳固性以及增强连接件30移动稳定性。
内吸盘40呈弧面状布置, 形成第一吸附面，且内吸盘40的中部朝上凸起，第一吸附面抵触底板12，第一吸附面具有第一吸附腔；外吸盘20呈弧形状布置，形成第二吸附面，且外吸盘20的中部朝下凹陷，第二吸附面用于吸附物体，第二吸附面形成第二吸附腔；增强内吸盘40与外吸盘20的配合效果，以及内吸盘40和壳体的配合效果，保证对物体的吸附。
外吸盘20的中部朝下凹陷，形成下嵌部，连接件30的顶部形成上部开口，上嵌部嵌入上部开口，且上嵌部呈中空状，从而保证第一吸附腔与第二吸附腔连通，同时，增强外吸盘20与连接件30的安装稳固性。
内吸盘40的中部朝上凸起，形成上嵌部，连接件30的底部形成下部开口，下嵌部嵌入下部开口，且下嵌部呈中空状，从而保证第一吸附腔与第二吸附腔连通，同时，增强内吸盘40与连接件30的安装稳固性。
条形孔50呈椭圆状布置，连接件30呈圆柱状布置，便于连接件30沿条形孔50往复移动。
限制区域15呈椭圆状布置，这样，限制区域15与条形孔50的配合效果更佳，便于连接件30、内吸盘40以及外吸盘20的移动。
以上仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。
Claims (10)
- 吸盘结构，其特征在于，包括固定壳、外吸盘、连接件以及呈挤压状态的内吸盘，所述外吸盘以及所述内吸盘分别对应连接在所述连接件的两端部，所述外吸盘用于吸住固定待吸附物体，所述固定壳固定布置，其内部具有腔室，所述固定壳具有朝向所述外吸盘布置的外端部，所述固定壳的外端部中设置有连通腔室的条形孔，所述连接件活动穿设在所述条形孔中，所述内吸盘处于所述腔室且抵触所述固定壳，所述外吸盘与所述内吸盘连通。
- 如权利要求1所述的吸盘结构，其特征在于，所述条形孔包括大于所述连接件直径的大径段以及小于所述连接件直径的小径段，所述大径段与所述小径段连通；当所述连接件处于所述小径段时，所述内吸盘呈挤压状态。
- 如权利要求2所述的吸盘结构，其特征在于，所述条形孔内形成有两个卡板，两个所述卡板之间形成所述小径段；所述连接件的两侧分别形成有朝内凹陷的卡槽，所述卡槽两端呈贯通状布置，当所述连接件处于所述小径段时，两个所述卡板一一对应嵌入两个所述卡槽。
- 如权利要求3所述的吸盘结构，其特征在于，所述固定壳包括底板，所述内吸盘抵触所述底板；所述连接件沿所述条形孔移动时，所述内吸盘抵触所述底板且相对所述底板移动。
- 如权利要求4所述的吸盘结构，其特征在于，所述内吸盘具有第一吸附腔，所述外吸盘具有与所述第一吸附腔连通的第二吸附腔，所述底板形成有缺口，当所述内吸盘移动至所述缺口，所述第一吸附腔与所述第二吸附腔分别连通所述内腔，使所述外吸盘失去吸附力。
- 如权利要求5所述的吸盘结构，其特征在于，所述底板设有限制壁，限制壁呈环状围合布置形成限制区域，所述缺口以及所述内吸盘均处于所述限制区域。
- 如权利要求6所述的吸盘结构，其特征在于，所述小径段具有靠近所述大径段的吸附端，所述缺口处于所述限制区域的上端部，当所述连接件移动至所述吸附端时，所述内吸盘处于所述限制区域的上端部，且所述第一吸附腔连通所述内腔，所述限制壁的上端部限制所述内吸盘继续朝向所述大径段方向移动。
- 如权利要求7所述的吸盘结构，其特征在于，所述吸附端具有朝向所述大径段的外端，所述吸附端的外端设有两个相向延伸布置的限制块，两个所述限制块之间的间隙小于所述小径段。
- 如权利要求6-8任意一项所述的吸盘结构，其特征在于，所述小径段具有背离所述大径段的吸附端，当所述连接件移动至所述吸附端时，所述内吸盘处于所述限制区域的下端部，所述限制壁的下端部限制所述内吸盘继续沿背离所述大径段方向移动。
- 如权利要求1-8任意一项所述的吸盘结构，其特征在于，所述固定壳的外端部朝下凹陷形成固定槽，所述连接件的顶部活动置于所述固定槽；所述条形孔处于所述固定槽的下方。
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